64440064

素因数分解:

$2^8\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{67}}^1$

素因数の和:130

約数の個数: 108

約数和(自身を含む): 149346904

約数和(自身を除く): 84906840

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 32, 34, 52, 64, 67, 68, 104, 128, 134, 136, 208, 221, 256, 268, 272, 289, 416, 442, 536, 544, 578, 832, 871, 884, 1072, 1088, 1139, 1156, 1664, 1742, 1768, 2144, 2176, 2278, 2312, 3328, 3484, 3536, 3757, 4288, 4352, 4556, 4624, 6968, 7072, 7514, 8576, 9112, 9248, 13936, 14144, 14807, 15028, 17152, 18224, 18496, 19363, 27872, 28288, 29614, 30056, 36448, 36992, 38726, 55744, 56576, 59228, 60112, 72896, 73984, 77452, 111488, 118456, 120224, 145792, 154904, 222976, 236912, 240448, 251719, 291584, 309808, 473824, 480896, 503438, 619616, 947648, 961792, 1006876, 1239232, 1895296, 2013752, 2478464, 3790592, 4027504, 4956928, 8055008, 16110016, 32220032, 64440064]

約数ペア:

[(1, 64440064), (2, 32220032), (4, 16110016), (8, 8055008), (13, 4956928), (16, 4027504), (17, 3790592), (26, 2478464), (32, 2013752), (34, 1895296), (52, 1239232), (64, 1006876), (67, 961792), (68, 947648), (104, 619616), (128, 503438), (134, 480896), (136, 473824), (208, 309808), (221, 291584), (256, 251719), (268, 240448), (272, 236912), (289, 222976), (416, 154904), (442, 145792), (536, 120224), (544, 118456), (578, 111488), (832, 77452), (871, 73984), (884, 72896), (1072, 60112), (1088, 59228), (1139, 56576), (1156, 55744), (1664, 38726), (1742, 36992), (1768, 36448), (2144, 30056), (2176, 29614), (2278, 28288), (2312, 27872), (3328, 19363), (3484, 18496), (3536, 18224), (3757, 17152), (4288, 15028), (4352, 14807), (4556, 14144), (4624, 13936), (6968, 9248), (7072, 9112), (7514, 8576)]