1907776816

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{152671}}^1$

素因数の和:152761

約数の個数: 40

約数和(自身を含む): 4089166848

約数和(自身を除く): 2181390032

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 71, 88, 142, 176, 284, 568, 781, 1136, 1562, 3124, 6248, 12496, 152671, 305342, 610684, 1221368, 1679381, 2442736, 3358762, 6717524, 10839641, 13435048, 21679282, 26870096, 43358564, 86717128, 119236051, 173434256, 238472102, 476944204, 953888408, 1907776816]

約数ペア:

[(1, 1907776816), (2, 953888408), (4, 476944204), (8, 238472102), (11, 173434256), (16, 119236051), (22, 86717128), (44, 43358564), (71, 26870096), (88, 21679282), (142, 13435048), (176, 10839641), (284, 6717524), (568, 3358762), (781, 2442736), (1136, 1679381), (1562, 1221368), (3124, 610684), (6248, 305342), (12496, 152671)]