263245788

素因数分解:

$2^2\times 3^5\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{251}}^1$

素因数の和:366

約数の個数: 144

約数和(自身を含む): 755104896

約数和(自身を除く): 491859108

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 27, 36, 39, 52, 54, 78, 81, 83, 108, 117, 156, 162, 166, 234, 243, 249, 251, 324, 332, 351, 468, 486, 498, 502, 702, 747, 753, 972, 996, 1004, 1053, 1079, 1404, 1494, 1506, 2106, 2158, 2241, 2259, 2988, 3012, 3159, 3237, 3263, 4212, 4316, 4482, 4518, 6318, 6474, 6526, 6723, 6777, 8964, 9036, 9711, 9789, 12636, 12948, 13052, 13446, 13554, 19422, 19578, 20169, 20331, 20833, 26892, 27108, 29133, 29367, 38844, 39156, 40338, 40662, 41666, 58266, 58734, 60993, 62499, 80676, 81324, 83332, 87399, 88101, 116532, 117468, 121986, 124998, 174798, 176202, 187497, 243972, 249996, 262197, 264303, 270829, 349596, 352404, 374994, 524394, 528606, 541658, 562491, 749988, 792909, 812487, 1048788, 1057212, 1083316, 1124982, 1585818, 1624974, 1687473, 2249964, 2437461, 3171636, 3249948, 3374946, 4874922, 5062419, 6749892, 7312383, 9749844, 10124838, 14624766, 20249676, 21937149, 29249532, 43874298, 65811447, 87748596, 131622894, 263245788]

約数ペア:

[(1, 263245788), (2, 131622894), (3, 87748596), (4, 65811447), (6, 43874298), (9, 29249532), (12, 21937149), (13, 20249676), (18, 14624766), (26, 10124838), (27, 9749844), (36, 7312383), (39, 6749892), (52, 5062419), (54, 4874922), (78, 3374946), (81, 3249948), (83, 3171636), (108, 2437461), (117, 2249964), (156, 1687473), (162, 1624974), (166, 1585818), (234, 1124982), (243, 1083316), (249, 1057212), (251, 1048788), (324, 812487), (332, 792909), (351, 749988), (468, 562491), (486, 541658), (498, 528606), (502, 524394), (702, 374994), (747, 352404), (753, 349596), (972, 270829), (996, 264303), (1004, 262197), (1053, 249996), (1079, 243972), (1404, 187497), (1494, 176202), (1506, 174798), (2106, 124998), (2158, 121986), (2241, 117468), (2259, 116532), (2988, 88101), (3012, 87399), (3159, 83332), (3237, 81324), (3263, 80676), (4212, 62499), (4316, 60993), (4482, 58734), (4518, 58266), (6318, 41666), (6474, 40662), (6526, 40338), (6723, 39156), (6777, 38844), (8964, 29367), (9036, 29133), (9711, 27108), (9789, 26892), (12636, 20833), (12948, 20331), (13052, 20169), (13446, 19578), (13554, 19422)]