256487296

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{9067}}^1$

素因数の和:9111

約数の個数: 64

約数和(自身を含む): 582709680

約数和(自身を除く): 326222384

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 32, 34, 52, 64, 68, 104, 128, 136, 208, 221, 272, 416, 442, 544, 832, 884, 1088, 1664, 1768, 2176, 3536, 7072, 9067, 14144, 18134, 28288, 36268, 72536, 117871, 145072, 154139, 235742, 290144, 308278, 471484, 580288, 616556, 942968, 1160576, 1233112, 1885936, 2003807, 2466224, 3771872, 4007614, 4932448, 7543744, 8015228, 9864896, 15087488, 16030456, 19729792, 32060912, 64121824, 128243648, 256487296]

約数ペア:

[(1, 256487296), (2, 128243648), (4, 64121824), (8, 32060912), (13, 19729792), (16, 16030456), (17, 15087488), (26, 9864896), (32, 8015228), (34, 7543744), (52, 4932448), (64, 4007614), (68, 3771872), (104, 2466224), (128, 2003807), (136, 1885936), (208, 1233112), (221, 1160576), (272, 942968), (416, 616556), (442, 580288), (544, 471484), (832, 308278), (884, 290144), (1088, 235742), (1664, 154139), (1768, 145072), (2176, 117871), (3536, 72536), (7072, 36268), (9067, 28288), (14144, 18134)]