64138648

素因数分解:

$2^3\times 7^2\times {\mathrm{131}}^1\times {\mathrm{1249}}^1$

素因数の和:1400

約数の個数: 48

約数和(自身を含む): 141075000

約数和(自身を除く): 76936352

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 131, 196, 262, 392, 524, 917, 1048, 1249, 1834, 2498, 3668, 4996, 6419, 7336, 8743, 9992, 12838, 17486, 25676, 34972, 51352, 61201, 69944, 122402, 163619, 244804, 327238, 489608, 654476, 1145333, 1308952, 2290666, 4581332, 8017331, 9162664, 16034662, 32069324, 64138648]

約数ペア:

[(1, 64138648), (2, 32069324), (4, 16034662), (7, 9162664), (8, 8017331), (14, 4581332), (28, 2290666), (49, 1308952), (56, 1145333), (98, 654476), (131, 489608), (196, 327238), (262, 244804), (392, 163619), (524, 122402), (917, 69944), (1048, 61201), (1249, 51352), (1834, 34972), (2498, 25676), (3668, 17486), (4996, 12838), (6419, 9992), (7336, 8743)]