138888984

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{445157}}^1$

素因数の和:445179

約数の個数: 32

約数和(自身を含む): 373932720

約数和(自身を除く): 235043736

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 445157, 890314, 1335471, 1780628, 2670942, 3561256, 5341884, 5787041, 10683768, 11574082, 17361123, 23148164, 34722246, 46296328, 69444492, 138888984]

約数ペア:

[(1, 138888984), (2, 69444492), (3, 46296328), (4, 34722246), (6, 23148164), (8, 17361123), (12, 11574082), (13, 10683768), (24, 5787041), (26, 5341884), (39, 3561256), (52, 2670942), (78, 1780628), (104, 1335471), (156, 890314), (312, 445157)]