215430796

素因数分解:

$2^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{179}}^1\times {\mathrm{811}}^1$

素因数の和:1054

約数の個数: 48

約数和(自身を含む): 441987840

約数和(自身を除く): 226557044

約数列:

[1, 2, 4, 7, 14, 28, 53, 106, 179, 212, 358, 371, 716, 742, 811, 1253, 1484, 1622, 2506, 3244, 5012, 5677, 9487, 11354, 18974, 22708, 37948, 42983, 66409, 85966, 132818, 145169, 171932, 265636, 290338, 300881, 580676, 601762, 1016183, 1203524, 2032366, 4064732, 7693957, 15387914, 30775828, 53857699, 107715398, 215430796]

約数ペア:

[(1, 215430796), (2, 107715398), (4, 53857699), (7, 30775828), (14, 15387914), (28, 7693957), (53, 4064732), (106, 2032366), (179, 1203524), (212, 1016183), (358, 601762), (371, 580676), (716, 300881), (742, 290338), (811, 265636), (1253, 171932), (1484, 145169), (1622, 132818), (2506, 85966), (3244, 66409), (5012, 42983), (5677, 37948), (9487, 22708), (11354, 18974)]