31580458

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{173}}^1$

素因数の和:271

約数の個数: 64

約数和(自身を含む): 63141120

約数和(自身を除く): 31560662

約数列:

[1, 2, 7, 13, 14, 17, 26, 34, 59, 91, 118, 119, 173, 182, 221, 238, 346, 413, 442, 767, 826, 1003, 1211, 1534, 1547, 2006, 2249, 2422, 2941, 3094, 4498, 5369, 5882, 7021, 10207, 10738, 13039, 14042, 15743, 20414, 20587, 26078, 31486, 38233, 41174, 71449, 76466, 91273, 132691, 142898, 173519, 182546, 265382, 267631, 347038, 535262, 928837, 1214633, 1857674, 2255747, 2429266, 4511494, 15790229, 31580458]

約数ペア:

[(1, 31580458), (2, 15790229), (7, 4511494), (13, 2429266), (14, 2255747), (17, 1857674), (26, 1214633), (34, 928837), (59, 535262), (91, 347038), (118, 267631), (119, 265382), (173, 182546), (182, 173519), (221, 142898), (238, 132691), (346, 91273), (413, 76466), (442, 71449), (767, 41174), (826, 38233), (1003, 31486), (1211, 26078), (1534, 20587), (1547, 20414), (2006, 15743), (2249, 14042), (2422, 13039), (2941, 10738), (3094, 10207), (4498, 7021), (5369, 5882)]