261247416

素因数分解:

$2^3\times 3^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{18481}}^1$

素因数の和:18540

約数の個数: 64

約数和(自身を含む): 709708800

約数和(自身を除く): 448461384

約数列:

[1, 2, 3, 4, 6, 8, 12, 19, 24, 31, 38, 57, 62, 76, 93, 114, 124, 152, 186, 228, 248, 372, 456, 589, 744, 1178, 1767, 2356, 3534, 4712, 7068, 14136, 18481, 36962, 55443, 73924, 110886, 147848, 221772, 351139, 443544, 572911, 702278, 1053417, 1145822, 1404556, 1718733, 2106834, 2291644, 2809112, 3437466, 4213668, 4583288, 6874932, 8427336, 10885309, 13749864, 21770618, 32655927, 43541236, 65311854, 87082472, 130623708, 261247416]

約数ペア:

[(1, 261247416), (2, 130623708), (3, 87082472), (4, 65311854), (6, 43541236), (8, 32655927), (12, 21770618), (19, 13749864), (24, 10885309), (31, 8427336), (38, 6874932), (57, 4583288), (62, 4213668), (76, 3437466), (93, 2809112), (114, 2291644), (124, 2106834), (152, 1718733), (186, 1404556), (228, 1145822), (248, 1053417), (372, 702278), (456, 572911), (589, 443544), (744, 351139), (1178, 221772), (1767, 147848), (2356, 110886), (3534, 73924), (4712, 55443), (7068, 36962), (14136, 18481)]