64438218

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{383}}^1\times {\mathrm{719}}^1$

素因数の和:1123

約数の個数: 48

約数和(自身を含む): 150958080

約数和(自身を除く): 86519862

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 234, 383, 719, 766, 1149, 1438, 2157, 2298, 3447, 4314, 4979, 6471, 6894, 9347, 9958, 12942, 14937, 18694, 28041, 29874, 44811, 56082, 84123, 89622, 168246, 275377, 550754, 826131, 1652262, 2478393, 3579901, 4956786, 7159802, 10739703, 21479406, 32219109, 64438218]

約数ペア:

[(1, 64438218), (2, 32219109), (3, 21479406), (6, 10739703), (9, 7159802), (13, 4956786), (18, 3579901), (26, 2478393), (39, 1652262), (78, 826131), (117, 550754), (234, 275377), (383, 168246), (719, 89622), (766, 84123), (1149, 56082), (1438, 44811), (2157, 29874), (2298, 28041), (3447, 18694), (4314, 14937), (4979, 12942), (6471, 9958), (6894, 9347)]