213818556

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{79}}^1\times {\mathrm{4603}}^1$

素因数の和:4703

約数の個数: 72

約数和(自身を含む): 587838720

約数和(自身を除く): 374020164

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 79, 84, 98, 147, 158, 196, 237, 294, 316, 474, 553, 588, 948, 1106, 1659, 2212, 3318, 3871, 4603, 6636, 7742, 9206, 11613, 13809, 15484, 18412, 23226, 27618, 32221, 46452, 55236, 64442, 96663, 128884, 193326, 225547, 363637, 386652, 451094, 676641, 727274, 902188, 1090911, 1353282, 1454548, 2181822, 2545459, 2706564, 4363644, 5090918, 7636377, 10181836, 15272754, 17818213, 30545508, 35636426, 53454639, 71272852, 106909278, 213818556]

約数ペア:

[(1, 213818556), (2, 106909278), (3, 71272852), (4, 53454639), (6, 35636426), (7, 30545508), (12, 17818213), (14, 15272754), (21, 10181836), (28, 7636377), (42, 5090918), (49, 4363644), (79, 2706564), (84, 2545459), (98, 2181822), (147, 1454548), (158, 1353282), (196, 1090911), (237, 902188), (294, 727274), (316, 676641), (474, 451094), (553, 386652), (588, 363637), (948, 225547), (1106, 193326), (1659, 128884), (2212, 96663), (3318, 64442), (3871, 55236), (4603, 46452), (6636, 32221), (7742, 27618), (9206, 23226), (11613, 18412), (13809, 15484)]