1218492704

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{20483}}^1$

素因数の和:20530

約数の個数: 72

約数和(自身を含む): 2833920432

約数和(自身を除く): 1615427728

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 32, 44, 52, 88, 104, 143, 169, 176, 208, 286, 338, 352, 416, 572, 676, 1144, 1352, 1859, 2288, 2704, 3718, 4576, 5408, 7436, 14872, 20483, 29744, 40966, 59488, 81932, 163864, 225313, 266279, 327728, 450626, 532558, 655456, 901252, 1065116, 1802504, 2130232, 2929069, 3461627, 3605008, 4260464, 5858138, 6923254, 7210016, 8520928, 11716276, 13846508, 23432552, 27693016, 38077897, 46865104, 55386032, 76155794, 93730208, 110772064, 152311588, 304623176, 609246352, 1218492704]

約数ペア:

[(1, 1218492704), (2, 609246352), (4, 304623176), (8, 152311588), (11, 110772064), (13, 93730208), (16, 76155794), (22, 55386032), (26, 46865104), (32, 38077897), (44, 27693016), (52, 23432552), (88, 13846508), (104, 11716276), (143, 8520928), (169, 7210016), (176, 6923254), (208, 5858138), (286, 4260464), (338, 3605008), (352, 3461627), (416, 2929069), (572, 2130232), (676, 1802504), (1144, 1065116), (1352, 901252), (1859, 655456), (2288, 532558), (2704, 450626), (3718, 327728), (4576, 266279), (5408, 225313), (7436, 163864), (14872, 81932), (20483, 59488), (29744, 40966)]