641971064

素因数分解:

$2^3\times 7^1\times {\mathrm{31}}^2\times {\mathrm{79}}^1\times {\mathrm{151}}^1$

素因数の和:305

約数の個数: 96

約数和(自身を含む): 1448985600

約数和(自身を除く): 807014536

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 56, 62, 79, 124, 151, 158, 217, 248, 302, 316, 434, 553, 604, 632, 868, 961, 1057, 1106, 1208, 1736, 1922, 2114, 2212, 2449, 3844, 4228, 4424, 4681, 4898, 6727, 7688, 8456, 9362, 9796, 11929, 13454, 17143, 18724, 19592, 23858, 26908, 32767, 34286, 37448, 47716, 53816, 65534, 68572, 75919, 83503, 95432, 131068, 137144, 145111, 151838, 167006, 262136, 290222, 303676, 334012, 369799, 531433, 580444, 607352, 668024, 739598, 1015777, 1062866, 1160888, 1479196, 2031554, 2125732, 2588593, 2958392, 4063108, 4251464, 5177186, 8126216, 10354372, 11463769, 20708744, 22927538, 45855076, 80246383, 91710152, 160492766, 320985532, 641971064]

約数ペア:

[(1, 641971064), (2, 320985532), (4, 160492766), (7, 91710152), (8, 80246383), (14, 45855076), (28, 22927538), (31, 20708744), (56, 11463769), (62, 10354372), (79, 8126216), (124, 5177186), (151, 4251464), (158, 4063108), (217, 2958392), (248, 2588593), (302, 2125732), (316, 2031554), (434, 1479196), (553, 1160888), (604, 1062866), (632, 1015777), (868, 739598), (961, 668024), (1057, 607352), (1106, 580444), (1208, 531433), (1736, 369799), (1922, 334012), (2114, 303676), (2212, 290222), (2449, 262136), (3844, 167006), (4228, 151838), (4424, 145111), (4681, 137144), (4898, 131068), (6727, 95432), (7688, 83503), (8456, 75919), (9362, 68572), (9796, 65534), (11929, 53816), (13454, 47716), (17143, 37448), (18724, 34286), (19592, 32767), (23858, 26908)]