64365910

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{7727}}^1$

素因数の和:7765

約数の個数: 48

約数和(自身を含む): 142720704

約数和(自身を除く): 78354794

約数列:

[1, 2, 5, 7, 10, 14, 17, 34, 35, 49, 70, 85, 98, 119, 170, 238, 245, 490, 595, 833, 1190, 1666, 4165, 7727, 8330, 15454, 38635, 54089, 77270, 108178, 131359, 262718, 270445, 378623, 540890, 656795, 757246, 919513, 1313590, 1839026, 1893115, 3786230, 4597565, 6436591, 9195130, 12873182, 32182955, 64365910]

約数ペア:

[(1, 64365910), (2, 32182955), (5, 12873182), (7, 9195130), (10, 6436591), (14, 4597565), (17, 3786230), (34, 1893115), (35, 1839026), (49, 1313590), (70, 919513), (85, 757246), (98, 656795), (119, 540890), (170, 378623), (238, 270445), (245, 262718), (490, 131359), (595, 108178), (833, 77270), (1190, 54089), (1666, 38635), (4165, 15454), (7727, 8330)]