28872324

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{191}}^1$

素因数の和:250

約数の個数: 144

約数和(自身を含む): 88058880

約数和(自身を除く): 59186556

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 17, 18, 19, 26, 34, 36, 38, 39, 51, 52, 57, 68, 76, 78, 102, 114, 117, 153, 156, 171, 191, 204, 221, 228, 234, 247, 306, 323, 342, 382, 442, 468, 494, 573, 612, 646, 663, 684, 741, 764, 884, 969, 988, 1146, 1292, 1326, 1482, 1719, 1938, 1989, 2223, 2292, 2483, 2652, 2907, 2964, 3247, 3438, 3629, 3876, 3978, 4199, 4446, 4966, 5814, 6494, 6876, 7258, 7449, 7956, 8398, 8892, 9741, 9932, 10887, 11628, 12597, 12988, 14516, 14898, 16796, 19482, 21774, 22347, 25194, 29223, 29796, 32661, 37791, 38964, 42211, 43548, 44694, 47177, 50388, 58446, 61693, 65322, 75582, 84422, 89388, 94354, 116892, 123386, 126633, 130644, 141531, 151164, 168844, 185079, 188708, 246772, 253266, 283062, 370158, 379899, 424593, 506532, 555237, 566124, 740316, 759798, 802009, 849186, 1110474, 1519596, 1604018, 1698372, 2220948, 2406027, 3208036, 4812054, 7218081, 9624108, 14436162, 28872324]

約数ペア:

[(1, 28872324), (2, 14436162), (3, 9624108), (4, 7218081), (6, 4812054), (9, 3208036), (12, 2406027), (13, 2220948), (17, 1698372), (18, 1604018), (19, 1519596), (26, 1110474), (34, 849186), (36, 802009), (38, 759798), (39, 740316), (51, 566124), (52, 555237), (57, 506532), (68, 424593), (76, 379899), (78, 370158), (102, 283062), (114, 253266), (117, 246772), (153, 188708), (156, 185079), (171, 168844), (191, 151164), (204, 141531), (221, 130644), (228, 126633), (234, 123386), (247, 116892), (306, 94354), (323, 89388), (342, 84422), (382, 75582), (442, 65322), (468, 61693), (494, 58446), (573, 50388), (612, 47177), (646, 44694), (663, 43548), (684, 42211), (741, 38964), (764, 37791), (884, 32661), (969, 29796), (988, 29223), (1146, 25194), (1292, 22347), (1326, 21774), (1482, 19482), (1719, 16796), (1938, 14898), (1989, 14516), (2223, 12988), (2292, 12597), (2483, 11628), (2652, 10887), (2907, 9932), (2964, 9741), (3247, 8892), (3438, 8398), (3629, 7956), (3876, 7449), (3978, 7258), (4199, 6876), (4446, 6494), (4966, 5814)]