221520692

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{83}}^1\times {\mathrm{263}}^1$

素因数の和:452

約数の個数: 48

約数和(自身を含む): 409812480

約数和(自身を除く): 188291788

約数列:

[1, 2, 4, 43, 59, 83, 86, 118, 166, 172, 236, 263, 332, 526, 1052, 2537, 3569, 4897, 5074, 7138, 9794, 10148, 11309, 14276, 15517, 19588, 21829, 22618, 31034, 43658, 45236, 62068, 87316, 210571, 421142, 667231, 842284, 938647, 1287911, 1334462, 1877294, 2575822, 2668924, 3754588, 5151644, 55380173, 110760346, 221520692]

約数ペア:

[(1, 221520692), (2, 110760346), (4, 55380173), (43, 5151644), (59, 3754588), (83, 2668924), (86, 2575822), (118, 1877294), (166, 1334462), (172, 1287911), (236, 938647), (263, 842284), (332, 667231), (526, 421142), (1052, 210571), (2537, 87316), (3569, 62068), (4897, 45236), (5074, 43658), (7138, 31034), (9794, 22618), (10148, 21829), (11309, 19588), (14276, 15517)]