17220736

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{131}}^1$

素因数の和:237

約数の個数: 64

約数和(自身を含む): 37699200

約数和(自身を除く): 20478464

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 79, 104, 128, 131, 158, 208, 262, 316, 416, 524, 632, 832, 1027, 1048, 1264, 1664, 1703, 2054, 2096, 2528, 3406, 4108, 4192, 5056, 6812, 8216, 8384, 10112, 10349, 13624, 16432, 16768, 20698, 27248, 32864, 41396, 54496, 65728, 82792, 108992, 131456, 134537, 165584, 217984, 269074, 331168, 538148, 662336, 1076296, 1324672, 2152592, 4305184, 8610368, 17220736]

約数ペア:

[(1, 17220736), (2, 8610368), (4, 4305184), (8, 2152592), (13, 1324672), (16, 1076296), (26, 662336), (32, 538148), (52, 331168), (64, 269074), (79, 217984), (104, 165584), (128, 134537), (131, 131456), (158, 108992), (208, 82792), (262, 65728), (316, 54496), (416, 41396), (524, 32864), (632, 27248), (832, 20698), (1027, 16768), (1048, 16432), (1264, 13624), (1664, 10349), (1703, 10112), (2054, 8384), (2096, 8216), (2528, 6812), (3406, 5056), (4108, 4192)]