208545664

素因数分解:

$2^7\times {\mathrm{17}}^1\times {\mathrm{239}}^1\times {\mathrm{401}}^1$

素因数の和:671

約数の個数: 64

約数和(自身を含む): 442843200

約数和(自身を除く): 234297536

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 128, 136, 239, 272, 401, 478, 544, 802, 956, 1088, 1604, 1912, 2176, 3208, 3824, 4063, 6416, 6817, 7648, 8126, 12832, 13634, 15296, 16252, 25664, 27268, 30592, 32504, 51328, 54536, 65008, 95839, 109072, 130016, 191678, 218144, 260032, 383356, 436288, 520064, 766712, 872576, 1533424, 1629263, 3066848, 3258526, 6133696, 6517052, 12267392, 13034104, 26068208, 52136416, 104272832, 208545664]

約数ペア:

[(1, 208545664), (2, 104272832), (4, 52136416), (8, 26068208), (16, 13034104), (17, 12267392), (32, 6517052), (34, 6133696), (64, 3258526), (68, 3066848), (128, 1629263), (136, 1533424), (239, 872576), (272, 766712), (401, 520064), (478, 436288), (544, 383356), (802, 260032), (956, 218144), (1088, 191678), (1604, 130016), (1912, 109072), (2176, 95839), (3208, 65008), (3824, 54536), (4063, 51328), (6416, 32504), (6817, 30592), (7648, 27268), (8126, 25664), (12832, 16252), (13634, 15296)]