31498688

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{131}}^1$

素因数の和:190

約数の個数: 84

約数和(自身を含む): 72051672

約数和(自身を除く): 40552984

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 32, 34, 52, 64, 68, 104, 131, 136, 208, 221, 262, 272, 289, 416, 442, 524, 544, 578, 832, 884, 1048, 1088, 1156, 1703, 1768, 2096, 2227, 2312, 3406, 3536, 3757, 4192, 4454, 4624, 6812, 7072, 7514, 8384, 8908, 9248, 13624, 14144, 15028, 17816, 18496, 27248, 28951, 30056, 35632, 37859, 54496, 57902, 60112, 71264, 75718, 108992, 115804, 120224, 142528, 151436, 231608, 240448, 302872, 463216, 492167, 605744, 926432, 984334, 1211488, 1852864, 1968668, 2422976, 3937336, 7874672, 15749344, 31498688]

約数ペア:

[(1, 31498688), (2, 15749344), (4, 7874672), (8, 3937336), (13, 2422976), (16, 1968668), (17, 1852864), (26, 1211488), (32, 984334), (34, 926432), (52, 605744), (64, 492167), (68, 463216), (104, 302872), (131, 240448), (136, 231608), (208, 151436), (221, 142528), (262, 120224), (272, 115804), (289, 108992), (416, 75718), (442, 71264), (524, 60112), (544, 57902), (578, 54496), (832, 37859), (884, 35632), (1048, 30056), (1088, 28951), (1156, 27248), (1703, 18496), (1768, 17816), (2096, 15028), (2227, 14144), (2312, 13624), (3406, 9248), (3536, 8908), (3757, 8384), (4192, 7514), (4454, 7072), (4624, 6812)]