28541772

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{2137}}^1$

素因数の和:2207

約数の個数: 72

約数和(自身を含む): 84049056

約数和(自身を除く): 55507284

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 53, 63, 84, 106, 126, 159, 212, 252, 318, 371, 477, 636, 742, 954, 1113, 1484, 1908, 2137, 2226, 3339, 4274, 4452, 6411, 6678, 8548, 12822, 13356, 14959, 19233, 25644, 29918, 38466, 44877, 59836, 76932, 89754, 113261, 134631, 179508, 226522, 269262, 339783, 453044, 538524, 679566, 792827, 1019349, 1359132, 1585654, 2038698, 2378481, 3171308, 4077396, 4756962, 7135443, 9513924, 14270886, 28541772]

約数ペア:

[(1, 28541772), (2, 14270886), (3, 9513924), (4, 7135443), (6, 4756962), (7, 4077396), (9, 3171308), (12, 2378481), (14, 2038698), (18, 1585654), (21, 1359132), (28, 1019349), (36, 792827), (42, 679566), (53, 538524), (63, 453044), (84, 339783), (106, 269262), (126, 226522), (159, 179508), (212, 134631), (252, 113261), (318, 89754), (371, 76932), (477, 59836), (636, 44877), (742, 38466), (954, 29918), (1113, 25644), (1484, 19233), (1908, 14959), (2137, 13356), (2226, 12822), (3339, 8548), (4274, 6678), (4452, 6411)]