387888904

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{131}}^1\times {\mathrm{401}}^1$

素因数の和:622

約数の個数: 64

約数和(自身を含む): 802327680

約数和(自身を除く): 414438776

約数列:

[1, 2, 4, 8, 13, 26, 52, 71, 104, 131, 142, 262, 284, 401, 524, 568, 802, 923, 1048, 1604, 1703, 1846, 3208, 3406, 3692, 5213, 6812, 7384, 9301, 10426, 13624, 18602, 20852, 28471, 37204, 41704, 52531, 56942, 74408, 105062, 113884, 120913, 210124, 227768, 241826, 370123, 420248, 483652, 682903, 740246, 967304, 1365806, 1480492, 2731612, 2960984, 3729701, 5463224, 7459402, 14918804, 29837608, 48486113, 96972226, 193944452, 387888904]

約数ペア:

[(1, 387888904), (2, 193944452), (4, 96972226), (8, 48486113), (13, 29837608), (26, 14918804), (52, 7459402), (71, 5463224), (104, 3729701), (131, 2960984), (142, 2731612), (262, 1480492), (284, 1365806), (401, 967304), (524, 740246), (568, 682903), (802, 483652), (923, 420248), (1048, 370123), (1604, 241826), (1703, 227768), (1846, 210124), (3208, 120913), (3406, 113884), (3692, 105062), (5213, 74408), (6812, 56942), (7384, 52531), (9301, 41704), (10426, 37204), (13624, 28471), (18602, 20852)]