39778856

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{491}}^1$

素因数の和:570

約数の個数: 64

約数和(自身を含む): 86788800

約数和(自身を除く): 47009944

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 41, 52, 76, 82, 104, 152, 164, 247, 328, 491, 494, 533, 779, 982, 988, 1066, 1558, 1964, 1976, 2132, 3116, 3928, 4264, 6232, 6383, 9329, 10127, 12766, 18658, 20131, 20254, 25532, 37316, 40262, 40508, 51064, 74632, 80524, 81016, 121277, 161048, 242554, 261703, 382489, 485108, 523406, 764978, 970216, 1046812, 1529956, 2093624, 3059912, 4972357, 9944714, 19889428, 39778856]

約数ペア:

[(1, 39778856), (2, 19889428), (4, 9944714), (8, 4972357), (13, 3059912), (19, 2093624), (26, 1529956), (38, 1046812), (41, 970216), (52, 764978), (76, 523406), (82, 485108), (104, 382489), (152, 261703), (164, 242554), (247, 161048), (328, 121277), (491, 81016), (494, 80524), (533, 74632), (779, 51064), (982, 40508), (988, 40262), (1066, 37316), (1558, 25532), (1964, 20254), (1976, 20131), (2132, 18658), (3116, 12766), (3928, 10127), (4264, 9329), (6232, 6383)]