81637948

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{1163}}^1$

素因数の和:1306

約数の個数: 48

約数和(自身を含む): 172085760

約数和(自身を除く): 90447812

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 92, 109, 161, 218, 322, 436, 644, 763, 1163, 1526, 2326, 2507, 3052, 4652, 5014, 8141, 10028, 16282, 17549, 26749, 32564, 35098, 53498, 70196, 106996, 126767, 187243, 253534, 374486, 507068, 748972, 887369, 1774738, 2915641, 3549476, 5831282, 11662564, 20409487, 40818974, 81637948]

約数ペア:

[(1, 81637948), (2, 40818974), (4, 20409487), (7, 11662564), (14, 5831282), (23, 3549476), (28, 2915641), (46, 1774738), (92, 887369), (109, 748972), (161, 507068), (218, 374486), (322, 253534), (436, 187243), (644, 126767), (763, 106996), (1163, 70196), (1526, 53498), (2326, 35098), (2507, 32564), (3052, 26749), (4652, 17549), (5014, 16282), (8141, 10028)]