28644876

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{631}}^1$

素因数の和:751

約数の個数: 72

約数和(自身を含む): 78906464

約数和(自身を除く): 50261588

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 97, 117, 156, 194, 234, 291, 388, 468, 582, 631, 873, 1164, 1261, 1262, 1746, 1893, 2522, 2524, 3492, 3783, 3786, 5044, 5679, 7566, 7572, 8203, 11349, 11358, 15132, 16406, 22698, 22716, 24609, 32812, 45396, 49218, 61207, 73827, 98436, 122414, 147654, 183621, 244828, 295308, 367242, 550863, 734484, 795691, 1101726, 1591382, 2203452, 2387073, 3182764, 4774146, 7161219, 9548292, 14322438, 28644876]

約数ペア:

[(1, 28644876), (2, 14322438), (3, 9548292), (4, 7161219), (6, 4774146), (9, 3182764), (12, 2387073), (13, 2203452), (18, 1591382), (26, 1101726), (36, 795691), (39, 734484), (52, 550863), (78, 367242), (97, 295308), (117, 244828), (156, 183621), (194, 147654), (234, 122414), (291, 98436), (388, 73827), (468, 61207), (582, 49218), (631, 45396), (873, 32812), (1164, 24609), (1261, 22716), (1262, 22698), (1746, 16406), (1893, 15132), (2522, 11358), (2524, 11349), (3492, 8203), (3783, 7572), (3786, 7566), (5044, 5679)]