191042005

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^3\times {\mathrm{101}}^1$

素因数の和:175

約数の個数: 64

約数和(自身を含む): 306685440

約数和(自身を除く): 115643435

約数列:

[1, 5, 7, 11, 17, 35, 55, 77, 85, 101, 119, 187, 289, 385, 505, 595, 707, 935, 1111, 1309, 1445, 1717, 2023, 3179, 3535, 4913, 5555, 6545, 7777, 8585, 10115, 12019, 15895, 18887, 22253, 24565, 29189, 34391, 38885, 54043, 60095, 94435, 111265, 132209, 145945, 171955, 204323, 270215, 321079, 378301, 496213, 661045, 1021615, 1605395, 1891505, 2247553, 2481065, 3473491, 5458343, 11237765, 17367455, 27291715, 38208401, 191042005]

約数ペア:

[(1, 191042005), (5, 38208401), (7, 27291715), (11, 17367455), (17, 11237765), (35, 5458343), (55, 3473491), (77, 2481065), (85, 2247553), (101, 1891505), (119, 1605395), (187, 1021615), (289, 661045), (385, 496213), (505, 378301), (595, 321079), (707, 270215), (935, 204323), (1111, 171955), (1309, 145945), (1445, 132209), (1717, 111265), (2023, 94435), (3179, 60095), (3535, 54043), (4913, 38885), (5555, 34391), (6545, 29189), (7777, 24565), (8585, 22253), (10115, 18887), (12019, 15895)]