78455728

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{5167}}^1$

素因数の和:5261

約数の個数: 40

約数和(自身を含む): 165975488

約数和(自身を除く): 87519760

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 73, 104, 146, 208, 292, 584, 949, 1168, 1898, 3796, 5167, 7592, 10334, 15184, 20668, 41336, 67171, 82672, 134342, 268684, 377191, 537368, 754382, 1074736, 1508764, 3017528, 4903483, 6035056, 9806966, 19613932, 39227864, 78455728]

約数ペア:

[(1, 78455728), (2, 39227864), (4, 19613932), (8, 9806966), (13, 6035056), (16, 4903483), (26, 3017528), (52, 1508764), (73, 1074736), (104, 754382), (146, 537368), (208, 377191), (292, 268684), (584, 134342), (949, 82672), (1168, 67171), (1898, 41336), (3796, 20668), (5167, 15184), (7592, 10334)]