204401608

素因数分解:

$2^3\times {\mathrm{17}}^2\times {\mathrm{211}}^1\times {\mathrm{419}}^1$

素因数の和:670

約数の個数: 48

約数和(自身を含む): 410029200

約数和(自身を除く): 205627592

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 211, 289, 419, 422, 578, 838, 844, 1156, 1676, 1688, 2312, 3352, 3587, 7123, 7174, 14246, 14348, 28492, 28696, 56984, 60979, 88409, 121091, 121958, 176818, 242182, 243916, 353636, 484364, 487832, 707272, 968728, 1502953, 3005906, 6011812, 12023624, 25550201, 51100402, 102200804, 204401608]

約数ペア:

[(1, 204401608), (2, 102200804), (4, 51100402), (8, 25550201), (17, 12023624), (34, 6011812), (68, 3005906), (136, 1502953), (211, 968728), (289, 707272), (419, 487832), (422, 484364), (578, 353636), (838, 243916), (844, 242182), (1156, 176818), (1676, 121958), (1688, 121091), (2312, 88409), (3352, 60979), (3587, 56984), (7123, 28696), (7174, 28492), (14246, 14348)]