641466486

素因数分解:

$2^1\times 3^3\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{21559}}^1$

素因数の和:21618

約数の個数: 64

約数和(自身を含む): 1552320000

約数和(自身を除く): 910853514

約数列:

[1, 2, 3, 6, 9, 18, 19, 27, 29, 38, 54, 57, 58, 87, 114, 171, 174, 261, 342, 513, 522, 551, 783, 1026, 1102, 1566, 1653, 3306, 4959, 9918, 14877, 21559, 29754, 43118, 64677, 129354, 194031, 388062, 409621, 582093, 625211, 819242, 1164186, 1228863, 1250422, 1875633, 2457726, 3686589, 3751266, 5626899, 7373178, 11059767, 11253798, 11879009, 16880697, 22119534, 23758018, 33761394, 35637027, 71274054, 106911081, 213822162, 320733243, 641466486]

約数ペア:

[(1, 641466486), (2, 320733243), (3, 213822162), (6, 106911081), (9, 71274054), (18, 35637027), (19, 33761394), (27, 23758018), (29, 22119534), (38, 16880697), (54, 11879009), (57, 11253798), (58, 11059767), (87, 7373178), (114, 5626899), (171, 3751266), (174, 3686589), (261, 2457726), (342, 1875633), (513, 1250422), (522, 1228863), (551, 1164186), (783, 819242), (1026, 625211), (1102, 582093), (1566, 409621), (1653, 388062), (3306, 194031), (4959, 129354), (9918, 64677), (14877, 43118), (21559, 29754)]