25821972

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{197}}^1\times {\mathrm{331}}^1$

素因数の和:549

約数の個数: 72

約数和(自身を含む): 71783712

約数和(自身を除く): 45961740

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 99, 132, 197, 198, 331, 394, 396, 591, 662, 788, 993, 1182, 1324, 1773, 1986, 2167, 2364, 2979, 3546, 3641, 3972, 4334, 5958, 6501, 7092, 7282, 8668, 10923, 11916, 13002, 14564, 19503, 21846, 26004, 32769, 39006, 43692, 65207, 65538, 78012, 130414, 131076, 195621, 260828, 391242, 586863, 717277, 782484, 1173726, 1434554, 2151831, 2347452, 2869108, 4303662, 6455493, 8607324, 12910986, 25821972]

約数ペア:

[(1, 25821972), (2, 12910986), (3, 8607324), (4, 6455493), (6, 4303662), (9, 2869108), (11, 2347452), (12, 2151831), (18, 1434554), (22, 1173726), (33, 782484), (36, 717277), (44, 586863), (66, 391242), (99, 260828), (132, 195621), (197, 131076), (198, 130414), (331, 78012), (394, 65538), (396, 65207), (591, 43692), (662, 39006), (788, 32769), (993, 26004), (1182, 21846), (1324, 19503), (1773, 14564), (1986, 13002), (2167, 11916), (2364, 10923), (2979, 8668), (3546, 7282), (3641, 7092), (3972, 6501), (4334, 5958)]