156978444

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{26321}}^1$

素因数の和:26406

約数の個数: 48

約数和(自身を含む): 424521216

約数和(自身を除く): 267542772

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 71, 84, 142, 213, 284, 426, 497, 852, 994, 1491, 1988, 2982, 5964, 26321, 52642, 78963, 105284, 157926, 184247, 315852, 368494, 552741, 736988, 1105482, 1868791, 2210964, 3737582, 5606373, 7475164, 11212746, 13081537, 22425492, 26163074, 39244611, 52326148, 78489222, 156978444]

約数ペア:

[(1, 156978444), (2, 78489222), (3, 52326148), (4, 39244611), (6, 26163074), (7, 22425492), (12, 13081537), (14, 11212746), (21, 7475164), (28, 5606373), (42, 3737582), (71, 2210964), (84, 1868791), (142, 1105482), (213, 736988), (284, 552741), (426, 368494), (497, 315852), (852, 184247), (994, 157926), (1491, 105284), (1988, 78963), (2982, 52642), (5964, 26321)]