1591668

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{179}}^1$

素因数の和:221

約数の個数: 72

約数和(自身を含む): 4586400

約数和(自身を除く): 2994732

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 19, 26, 36, 38, 39, 52, 57, 76, 78, 114, 117, 156, 171, 179, 228, 234, 247, 342, 358, 468, 494, 537, 684, 716, 741, 988, 1074, 1482, 1611, 2148, 2223, 2327, 2964, 3222, 3401, 4446, 4654, 6444, 6802, 6981, 8892, 9308, 10203, 13604, 13962, 20406, 20943, 27924, 30609, 40812, 41886, 44213, 61218, 83772, 88426, 122436, 132639, 176852, 265278, 397917, 530556, 795834, 1591668]

約数ペア:

[(1, 1591668), (2, 795834), (3, 530556), (4, 397917), (6, 265278), (9, 176852), (12, 132639), (13, 122436), (18, 88426), (19, 83772), (26, 61218), (36, 44213), (38, 41886), (39, 40812), (52, 30609), (57, 27924), (76, 20943), (78, 20406), (114, 13962), (117, 13604), (156, 10203), (171, 9308), (179, 8892), (228, 6981), (234, 6802), (247, 6444), (342, 4654), (358, 4446), (468, 3401), (494, 3222), (537, 2964), (684, 2327), (716, 2223), (741, 2148), (988, 1611), (1074, 1482)]