66778312

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{601}}^1$

素因数の和:686

約数の個数: 64

約数和(自身を含む): 143035200

約数和(自身を除く): 76256888

約数列:

[1, 2, 4, 8, 17, 19, 34, 38, 43, 68, 76, 86, 136, 152, 172, 323, 344, 601, 646, 731, 817, 1202, 1292, 1462, 1634, 2404, 2584, 2924, 3268, 4808, 5848, 6536, 10217, 11419, 13889, 20434, 22838, 25843, 27778, 40868, 45676, 51686, 55556, 81736, 91352, 103372, 111112, 194123, 206744, 388246, 439331, 491017, 776492, 878662, 982034, 1552984, 1757324, 1964068, 3514648, 3928136, 8347289, 16694578, 33389156, 66778312]

約数ペア:

[(1, 66778312), (2, 33389156), (4, 16694578), (8, 8347289), (17, 3928136), (19, 3514648), (34, 1964068), (38, 1757324), (43, 1552984), (68, 982034), (76, 878662), (86, 776492), (136, 491017), (152, 439331), (172, 388246), (323, 206744), (344, 194123), (601, 111112), (646, 103372), (731, 91352), (817, 81736), (1202, 55556), (1292, 51686), (1462, 45676), (1634, 40868), (2404, 27778), (2584, 25843), (2924, 22838), (3268, 20434), (4808, 13889), (5848, 11419), (6536, 10217)]