30911972

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{521}}^1$

素因数の和:708

約数の個数: 48

約数和(自身を含む): 67116672

約数和(自身を除く): 36204700

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 163, 182, 326, 364, 521, 652, 1042, 1141, 2084, 2119, 2282, 3647, 4238, 4564, 6773, 7294, 8476, 13546, 14588, 14833, 27092, 29666, 47411, 59332, 84923, 94822, 169846, 189644, 339692, 594461, 1103999, 1188922, 2207998, 2377844, 4415996, 7727993, 15455986, 30911972]

約数ペア:

[(1, 30911972), (2, 15455986), (4, 7727993), (7, 4415996), (13, 2377844), (14, 2207998), (26, 1188922), (28, 1103999), (52, 594461), (91, 339692), (163, 189644), (182, 169846), (326, 94822), (364, 84923), (521, 59332), (652, 47411), (1042, 29666), (1141, 27092), (2084, 14833), (2119, 14588), (2282, 13546), (3647, 8476), (4238, 7294), (4564, 6773)]