55307525

素因数分解:

$5^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{151}}^1$

素因数の和:211

約数の個数: 72

約数和(自身を含む): 90244224

約数和(自身を除く): 34936699

約数列:

[1, 5, 7, 13, 23, 25, 35, 49, 65, 91, 115, 151, 161, 175, 245, 299, 325, 455, 575, 637, 755, 805, 1057, 1127, 1225, 1495, 1963, 2093, 2275, 3185, 3473, 3775, 4025, 5285, 5635, 7399, 7475, 9815, 10465, 13741, 14651, 15925, 17365, 24311, 26425, 28175, 36995, 45149, 49075, 52325, 68705, 73255, 86825, 96187, 121555, 170177, 184975, 225745, 316043, 343525, 366275, 480935, 607775, 850885, 1128725, 1580215, 2212301, 2404675, 4254425, 7901075, 11061505, 55307525]

約数ペア:

[(1, 55307525), (5, 11061505), (7, 7901075), (13, 4254425), (23, 2404675), (25, 2212301), (35, 1580215), (49, 1128725), (65, 850885), (91, 607775), (115, 480935), (151, 366275), (161, 343525), (175, 316043), (245, 225745), (299, 184975), (325, 170177), (455, 121555), (575, 96187), (637, 86825), (755, 73255), (805, 68705), (1057, 52325), (1127, 49075), (1225, 45149), (1495, 36995), (1963, 28175), (2093, 26425), (2275, 24311), (3185, 17365), (3473, 15925), (3775, 14651), (4025, 13741), (5285, 10465), (5635, 9815), (7399, 7475)]