319451808

素因数分解:

$2^5\times 3^1\times {\mathrm{13}}^1\times {\mathrm{255971}}^1$

素因数の和:255997

約数の個数: 48

約数和(自身を含む): 903069216

約数和(自身を除く): 583617408

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 48, 52, 78, 96, 104, 156, 208, 312, 416, 624, 1248, 255971, 511942, 767913, 1023884, 1535826, 2047768, 3071652, 3327623, 4095536, 6143304, 6655246, 8191072, 9982869, 12286608, 13310492, 19965738, 24573216, 26620984, 39931476, 53241968, 79862952, 106483936, 159725904, 319451808]

約数ペア:

[(1, 319451808), (2, 159725904), (3, 106483936), (4, 79862952), (6, 53241968), (8, 39931476), (12, 26620984), (13, 24573216), (16, 19965738), (24, 13310492), (26, 12286608), (32, 9982869), (39, 8191072), (48, 6655246), (52, 6143304), (78, 4095536), (96, 3327623), (104, 3071652), (156, 2047768), (208, 1535826), (312, 1023884), (416, 767913), (624, 511942), (1248, 255971)]