1642795648

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{31847}}^1$

素因数の和:31905

約数の個数: 64

約数和(自身を含む): 3638315520

約数和(自身を除く): 1995519872

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 32, 52, 62, 64, 104, 124, 128, 208, 248, 403, 416, 496, 806, 832, 992, 1612, 1664, 1984, 3224, 3968, 6448, 12896, 25792, 31847, 51584, 63694, 127388, 254776, 414011, 509552, 828022, 987257, 1019104, 1656044, 1974514, 2038208, 3312088, 3949028, 4076416, 6624176, 7898056, 12834341, 13248352, 15796112, 25668682, 26496704, 31592224, 51337364, 52993408, 63184448, 102674728, 126368896, 205349456, 410698912, 821397824, 1642795648]

約数ペア:

[(1, 1642795648), (2, 821397824), (4, 410698912), (8, 205349456), (13, 126368896), (16, 102674728), (26, 63184448), (31, 52993408), (32, 51337364), (52, 31592224), (62, 26496704), (64, 25668682), (104, 15796112), (124, 13248352), (128, 12834341), (208, 7898056), (248, 6624176), (403, 4076416), (416, 3949028), (496, 3312088), (806, 2038208), (832, 1974514), (992, 1656044), (1612, 1019104), (1664, 987257), (1984, 828022), (3224, 509552), (3968, 414011), (6448, 254776), (12896, 127388), (25792, 63694), (31847, 51584)]