64489672

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{241}}^1$

素因数の和:374

約数の個数: 64

約数和(自身を含む): 136604160

約数和(自身を除く): 72114488

約数列:

[1, 2, 4, 8, 13, 26, 31, 52, 62, 83, 104, 124, 166, 241, 248, 332, 403, 482, 664, 806, 964, 1079, 1612, 1928, 2158, 2573, 3133, 3224, 4316, 5146, 6266, 7471, 8632, 10292, 12532, 14942, 20003, 20584, 25064, 29884, 33449, 40006, 59768, 66898, 80012, 97123, 133796, 160024, 194246, 260039, 267592, 388492, 520078, 620093, 776984, 1040156, 1240186, 2080312, 2480372, 4960744, 8061209, 16122418, 32244836, 64489672]

約数ペア:

[(1, 64489672), (2, 32244836), (4, 16122418), (8, 8061209), (13, 4960744), (26, 2480372), (31, 2080312), (52, 1240186), (62, 1040156), (83, 776984), (104, 620093), (124, 520078), (166, 388492), (241, 267592), (248, 260039), (332, 194246), (403, 160024), (482, 133796), (664, 97123), (806, 80012), (964, 66898), (1079, 59768), (1612, 40006), (1928, 33449), (2158, 29884), (2573, 25064), (3133, 20584), (3224, 20003), (4316, 14942), (5146, 12532), (6266, 10292), (7471, 8632)]