197720964

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{661}}^1\times {\mathrm{1187}}^1$

素因数の和:1865

約数の個数: 72

約数和(自身を含む): 572539968

約数和(自身を除く): 374819004

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 661, 1187, 1322, 1983, 2374, 2644, 3561, 3966, 4627, 4748, 5949, 7122, 7932, 8309, 9254, 10683, 11898, 13881, 14244, 16618, 18508, 21366, 23796, 24927, 27762, 33236, 41643, 42732, 49854, 55524, 74781, 83286, 99708, 149562, 166572, 299124, 784607, 1569214, 2353821, 3138428, 4707642, 5492249, 7061463, 9415284, 10984498, 14122926, 16476747, 21968996, 28245852, 32953494, 49430241, 65906988, 98860482, 197720964]

約数ペア:

[(1, 197720964), (2, 98860482), (3, 65906988), (4, 49430241), (6, 32953494), (7, 28245852), (9, 21968996), (12, 16476747), (14, 14122926), (18, 10984498), (21, 9415284), (28, 7061463), (36, 5492249), (42, 4707642), (63, 3138428), (84, 2353821), (126, 1569214), (252, 784607), (661, 299124), (1187, 166572), (1322, 149562), (1983, 99708), (2374, 83286), (2644, 74781), (3561, 55524), (3966, 49854), (4627, 42732), (4748, 41643), (5949, 33236), (7122, 27762), (7932, 24927), (8309, 23796), (9254, 21366), (10683, 18508), (11898, 16618), (13881, 14244)]