128876436

素因数分解:

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

素因数の和:1125

約数の個数: 72

約数和(自身を含む): 352235520

約数和(自身を除く): 223359084

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 383, 468, 719, 766, 1149, 1438, 1532, 2157, 2298, 2876, 3447, 4314, 4596, 4979, 6471, 6894, 8628, 9347, 9958, 12942, 13788, 14937, 18694, 19916, 25884, 28041, 29874, 37388, 44811, 56082, 59748, 84123, 89622, 112164, 168246, 179244, 275377, 336492, 550754, 826131, 1101508, 1652262, 2478393, 3304524, 3579901, 4956786, 7159802, 9913572, 10739703, 14319604, 21479406, 32219109, 42958812, 64438218, 128876436]

約数ペア:

[(1, 128876436), (2, 64438218), (3, 42958812), (4, 32219109), (6, 21479406), (9, 14319604), (12, 10739703), (13, 9913572), (18, 7159802), (26, 4956786), (36, 3579901), (39, 3304524), (52, 2478393), (78, 1652262), (117, 1101508), (156, 826131), (234, 550754), (383, 336492), (468, 275377), (719, 179244), (766, 168246), (1149, 112164), (1438, 89622), (1532, 84123), (2157, 59748), (2298, 56082), (2876, 44811), (3447, 37388), (4314, 29874), (4596, 28041), (4979, 25884), (6471, 19916), (6894, 18694), (8628, 14937), (9347, 13788), (9958, 12942)]