291268458

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^2\times {\mathrm{23}}^2\times {\mathrm{181}}^1$

素因数の和:261

約数の個数: 108

約数和(自身を含む): 718310502

約数和(自身を除く): 427042044

約数列:

[1, 2, 3, 6, 9, 13, 18, 23, 26, 39, 46, 69, 78, 117, 138, 169, 181, 207, 234, 299, 338, 362, 414, 507, 529, 543, 598, 897, 1014, 1058, 1086, 1521, 1587, 1629, 1794, 2353, 2691, 3042, 3174, 3258, 3887, 4163, 4706, 4761, 5382, 6877, 7059, 7774, 8326, 9522, 11661, 12489, 13754, 14118, 20631, 21177, 23322, 24978, 30589, 34983, 37467, 41262, 42354, 54119, 61178, 61893, 69966, 74934, 89401, 91767, 95749, 108238, 123786, 162357, 178802, 183534, 191498, 268203, 275301, 287247, 324714, 487071, 536406, 550602, 574494, 703547, 804609, 861741, 974142, 1244737, 1407094, 1609218, 1723482, 2110641, 2489474, 3734211, 4221282, 6331923, 7468422, 11202633, 12663846, 16181581, 22405266, 32363162, 48544743, 97089486, 145634229, 291268458]

約数ペア:

[(1, 291268458), (2, 145634229), (3, 97089486), (6, 48544743), (9, 32363162), (13, 22405266), (18, 16181581), (23, 12663846), (26, 11202633), (39, 7468422), (46, 6331923), (69, 4221282), (78, 3734211), (117, 2489474), (138, 2110641), (169, 1723482), (181, 1609218), (207, 1407094), (234, 1244737), (299, 974142), (338, 861741), (362, 804609), (414, 703547), (507, 574494), (529, 550602), (543, 536406), (598, 487071), (897, 324714), (1014, 287247), (1058, 275301), (1086, 268203), (1521, 191498), (1587, 183534), (1629, 178802), (1794, 162357), (2353, 123786), (2691, 108238), (3042, 95749), (3174, 91767), (3258, 89401), (3887, 74934), (4163, 69966), (4706, 61893), (4761, 61178), (5382, 54119), (6877, 42354), (7059, 41262), (7774, 37467), (8326, 34983), (9522, 30589), (11661, 24978), (12489, 23322), (13754, 21177), (14118, 20631)]