31035472

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{131}}^1$

素因数の和:236

約数の個数: 80

約数和(自身を含む): 70120512

約数和(自身を除く): 39085040

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 34, 52, 67, 68, 104, 131, 134, 136, 208, 221, 262, 268, 272, 442, 524, 536, 871, 884, 1048, 1072, 1139, 1703, 1742, 1768, 2096, 2227, 2278, 3406, 3484, 3536, 4454, 4556, 6812, 6968, 8777, 8908, 9112, 13624, 13936, 14807, 17554, 17816, 18224, 27248, 28951, 29614, 35108, 35632, 57902, 59228, 70216, 114101, 115804, 118456, 140432, 149209, 228202, 231608, 236912, 298418, 456404, 463216, 596836, 912808, 1193672, 1825616, 1939717, 2387344, 3879434, 7758868, 15517736, 31035472]

約数ペア:

[(1, 31035472), (2, 15517736), (4, 7758868), (8, 3879434), (13, 2387344), (16, 1939717), (17, 1825616), (26, 1193672), (34, 912808), (52, 596836), (67, 463216), (68, 456404), (104, 298418), (131, 236912), (134, 231608), (136, 228202), (208, 149209), (221, 140432), (262, 118456), (268, 115804), (272, 114101), (442, 70216), (524, 59228), (536, 57902), (871, 35632), (884, 35108), (1048, 29614), (1072, 28951), (1139, 27248), (1703, 18224), (1742, 17816), (1768, 17554), (2096, 14807), (2227, 13936), (2278, 13624), (3406, 9112), (3484, 8908), (3536, 8777), (4454, 6968), (4556, 6812)]