31904002

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{131}}^1$

素因数の和:211

約数の個数: 64

約数和(自身を含む): 59875200

約数和(自身を除く): 27971198

約数列:

[1, 2, 13, 17, 19, 26, 29, 34, 38, 58, 131, 221, 247, 262, 323, 377, 442, 493, 494, 551, 646, 754, 986, 1102, 1703, 2227, 2489, 3406, 3799, 4199, 4454, 4978, 6409, 7163, 7598, 8398, 9367, 12818, 14326, 18734, 28951, 32357, 42313, 49387, 57902, 64583, 64714, 72181, 84626, 98774, 121771, 129166, 144362, 243542, 550069, 839579, 938353, 1100138, 1227077, 1679158, 1876706, 2454154, 15952001, 31904002]

約数ペア:

[(1, 31904002), (2, 15952001), (13, 2454154), (17, 1876706), (19, 1679158), (26, 1227077), (29, 1100138), (34, 938353), (38, 839579), (58, 550069), (131, 243542), (221, 144362), (247, 129166), (262, 121771), (323, 98774), (377, 84626), (442, 72181), (493, 64714), (494, 64583), (551, 57902), (646, 49387), (754, 42313), (986, 32357), (1102, 28951), (1703, 18734), (2227, 14326), (2489, 12818), (3406, 9367), (3799, 8398), (4199, 7598), (4454, 7163), (4978, 6409)]