28745676

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{233}}^1$

素因数の和:415

約数の個数: 72

約数和(自身を含む): 76658400

約数和(自身を除く): 47912724

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 36, 46, 69, 92, 138, 149, 207, 233, 276, 298, 414, 447, 466, 596, 699, 828, 894, 932, 1341, 1398, 1788, 2097, 2682, 2796, 3427, 4194, 5359, 5364, 6854, 8388, 10281, 10718, 13708, 16077, 20562, 21436, 30843, 32154, 34717, 41124, 48231, 61686, 64308, 69434, 96462, 104151, 123372, 138868, 192924, 208302, 312453, 416604, 624906, 798491, 1249812, 1596982, 2395473, 3193964, 4790946, 7186419, 9581892, 14372838, 28745676]

約数ペア:

[(1, 28745676), (2, 14372838), (3, 9581892), (4, 7186419), (6, 4790946), (9, 3193964), (12, 2395473), (18, 1596982), (23, 1249812), (36, 798491), (46, 624906), (69, 416604), (92, 312453), (138, 208302), (149, 192924), (207, 138868), (233, 123372), (276, 104151), (298, 96462), (414, 69434), (447, 64308), (466, 61686), (596, 48231), (699, 41124), (828, 34717), (894, 32154), (932, 30843), (1341, 21436), (1398, 20562), (1788, 16077), (2097, 13708), (2682, 10718), (2796, 10281), (3427, 8388), (4194, 6854), (5359, 5364)]