861645408

素因数分解:

$2^5\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{2389}}^1$

素因数の和:2449

約数の個数: 144

約数和(自身を含む): 2588599440

約数和(自身を除く): 1726954032

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 17, 24, 26, 32, 34, 39, 48, 51, 52, 68, 78, 96, 102, 104, 136, 156, 204, 208, 221, 272, 289, 312, 408, 416, 442, 544, 578, 624, 663, 816, 867, 884, 1156, 1248, 1326, 1632, 1734, 1768, 2312, 2389, 2652, 3468, 3536, 3757, 4624, 4778, 5304, 6936, 7072, 7167, 7514, 9248, 9556, 10608, 11271, 13872, 14334, 15028, 19112, 21216, 22542, 27744, 28668, 30056, 31057, 38224, 40613, 45084, 57336, 60112, 62114, 76448, 81226, 90168, 93171, 114672, 120224, 121839, 124228, 162452, 180336, 186342, 229344, 243678, 248456, 324904, 360672, 372684, 487356, 496912, 527969, 649808, 690421, 745368, 974712, 993824, 1055938, 1299616, 1380842, 1490736, 1583907, 1949424, 2071263, 2111876, 2761684, 2981472, 3167814, 3898848, 4142526, 4223752, 5523368, 6335628, 8285052, 8447504, 8975473, 11046736, 12671256, 16570104, 16895008, 17950946, 22093472, 25342512, 26926419, 33140208, 35901892, 50685024, 53852838, 66280416, 71803784, 107705676, 143607568, 215411352, 287215136, 430822704, 861645408]

約数ペア:

[(1, 861645408), (2, 430822704), (3, 287215136), (4, 215411352), (6, 143607568), (8, 107705676), (12, 71803784), (13, 66280416), (16, 53852838), (17, 50685024), (24, 35901892), (26, 33140208), (32, 26926419), (34, 25342512), (39, 22093472), (48, 17950946), (51, 16895008), (52, 16570104), (68, 12671256), (78, 11046736), (96, 8975473), (102, 8447504), (104, 8285052), (136, 6335628), (156, 5523368), (204, 4223752), (208, 4142526), (221, 3898848), (272, 3167814), (289, 2981472), (312, 2761684), (408, 2111876), (416, 2071263), (442, 1949424), (544, 1583907), (578, 1490736), (624, 1380842), (663, 1299616), (816, 1055938), (867, 993824), (884, 974712), (1156, 745368), (1248, 690421), (1326, 649808), (1632, 527969), (1734, 496912), (1768, 487356), (2312, 372684), (2389, 360672), (2652, 324904), (3468, 248456), (3536, 243678), (3757, 229344), (4624, 186342), (4778, 180336), (5304, 162452), (6936, 124228), (7072, 121839), (7167, 120224), (7514, 114672), (9248, 93171), (9556, 90168), (10608, 81226), (11271, 76448), (13872, 62114), (14334, 60112), (15028, 57336), (19112, 45084), (21216, 40613), (22542, 38224), (27744, 31057), (28668, 30056)]