191881571

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{113}}^1\times {\mathrm{199}}^1$

素因数の和:395

約数の個数: 32

約数和(自身を含む): 236390400

約数和(自身を除く): 44508829

約数列:

[1, 7, 23, 53, 113, 161, 199, 371, 791, 1219, 1393, 2599, 4577, 5989, 8533, 10547, 18193, 22487, 32039, 41923, 73829, 137747, 157409, 242581, 517201, 964229, 1191811, 1698067, 3620407, 8342677, 27411653, 191881571]

約数ペア:

[(1, 191881571), (7, 27411653), (23, 8342677), (53, 3620407), (113, 1698067), (161, 1191811), (199, 964229), (371, 517201), (791, 242581), (1219, 157409), (1393, 137747), (2599, 73829), (4577, 41923), (5989, 32039), (8533, 22487), (10547, 18193)]