31578684

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{3221}}^1$

素因数の和:3290

約数の個数: 48

約数和(自身を含む): 79390080

約数和(自身を除く): 47811396

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 43, 57, 76, 86, 114, 129, 172, 228, 258, 516, 817, 1634, 2451, 3221, 3268, 4902, 6442, 9663, 9804, 12884, 19326, 38652, 61199, 122398, 138503, 183597, 244796, 277006, 367194, 415509, 554012, 734388, 831018, 1662036, 2631557, 5263114, 7894671, 10526228, 15789342, 31578684]

約数ペア:

[(1, 31578684), (2, 15789342), (3, 10526228), (4, 7894671), (6, 5263114), (12, 2631557), (19, 1662036), (38, 831018), (43, 734388), (57, 554012), (76, 415509), (86, 367194), (114, 277006), (129, 244796), (172, 183597), (228, 138503), (258, 122398), (516, 61199), (817, 38652), (1634, 19326), (2451, 12884), (3221, 9804), (3268, 9663), (4902, 6442)]