71398912

素因数分解:

$2^9\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{631}}^1$

素因数の和:679

約数の個数: 80

約数和(自身を含む): 162927072

約数和(自身を除く): 91528160

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 32, 34, 52, 64, 68, 104, 128, 136, 208, 221, 256, 272, 416, 442, 512, 544, 631, 832, 884, 1088, 1262, 1664, 1768, 2176, 2524, 3328, 3536, 4352, 5048, 6656, 7072, 8203, 8704, 10096, 10727, 14144, 16406, 20192, 21454, 28288, 32812, 40384, 42908, 56576, 65624, 80768, 85816, 113152, 131248, 139451, 161536, 171632, 262496, 278902, 323072, 343264, 524992, 557804, 686528, 1049984, 1115608, 1373056, 2099968, 2231216, 2746112, 4199936, 4462432, 5492224, 8924864, 17849728, 35699456, 71398912]

約数ペア:

[(1, 71398912), (2, 35699456), (4, 17849728), (8, 8924864), (13, 5492224), (16, 4462432), (17, 4199936), (26, 2746112), (32, 2231216), (34, 2099968), (52, 1373056), (64, 1115608), (68, 1049984), (104, 686528), (128, 557804), (136, 524992), (208, 343264), (221, 323072), (256, 278902), (272, 262496), (416, 171632), (442, 161536), (512, 139451), (544, 131248), (631, 113152), (832, 85816), (884, 80768), (1088, 65624), (1262, 56576), (1664, 42908), (1768, 40384), (2176, 32812), (2524, 28288), (3328, 21454), (3536, 20192), (4352, 16406), (5048, 14144), (6656, 10727), (7072, 10096), (8203, 8704)]