78464984

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{39709}}^1$

素因数の和:39747

約数の個数: 32

約数和(自身を含む): 166782000

約数和(自身を除く): 88317016

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 104, 152, 247, 494, 988, 1976, 39709, 79418, 158836, 317672, 516217, 754471, 1032434, 1508942, 2064868, 3017884, 4129736, 6035768, 9808123, 19616246, 39232492, 78464984]

約数ペア:

[(1, 78464984), (2, 39232492), (4, 19616246), (8, 9808123), (13, 6035768), (19, 4129736), (26, 3017884), (38, 2064868), (52, 1508942), (76, 1032434), (104, 754471), (152, 516217), (247, 317672), (494, 158836), (988, 79418), (1976, 39709)]