71908902

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{431}}^1$

素因数の和:506

約数の個数: 96

約数和(自身を含む): 181149696

約数和(自身を除く): 109240794

約数列:

[1, 2, 3, 6, 9, 13, 18, 23, 26, 31, 39, 46, 62, 69, 78, 93, 117, 138, 186, 207, 234, 279, 299, 403, 414, 431, 558, 598, 713, 806, 862, 897, 1209, 1293, 1426, 1794, 2139, 2418, 2586, 2691, 3627, 3879, 4278, 5382, 5603, 6417, 7254, 7758, 9269, 9913, 11206, 12834, 13361, 16809, 18538, 19826, 26722, 27807, 29739, 33618, 40083, 50427, 55614, 59478, 80166, 83421, 89217, 100854, 120249, 128869, 166842, 173693, 178434, 240498, 257738, 307303, 347386, 386607, 521079, 614606, 773214, 921909, 1042158, 1159821, 1563237, 1843818, 2319642, 2765727, 3126474, 3994939, 5531454, 7989878, 11984817, 23969634, 35954451, 71908902]

約数ペア:

[(1, 71908902), (2, 35954451), (3, 23969634), (6, 11984817), (9, 7989878), (13, 5531454), (18, 3994939), (23, 3126474), (26, 2765727), (31, 2319642), (39, 1843818), (46, 1563237), (62, 1159821), (69, 1042158), (78, 921909), (93, 773214), (117, 614606), (138, 521079), (186, 386607), (207, 347386), (234, 307303), (279, 257738), (299, 240498), (403, 178434), (414, 173693), (431, 166842), (558, 128869), (598, 120249), (713, 100854), (806, 89217), (862, 83421), (897, 80166), (1209, 59478), (1293, 55614), (1426, 50427), (1794, 40083), (2139, 33618), (2418, 29739), (2586, 27807), (2691, 26722), (3627, 19826), (3879, 18538), (4278, 16809), (5382, 13361), (5603, 12834), (6417, 11206), (7254, 9913), (7758, 9269)]