222005992

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{199}}^1\times {\mathrm{631}}^1$

素因数の和:866

約数の個数: 64

約数和(自身を含む): 477792000

約数和(自身を除く): 255786008

約数列:

[1, 2, 4, 8, 13, 17, 26, 34, 52, 68, 104, 136, 199, 221, 398, 442, 631, 796, 884, 1262, 1592, 1768, 2524, 2587, 3383, 5048, 5174, 6766, 8203, 10348, 10727, 13532, 16406, 20696, 21454, 27064, 32812, 42908, 43979, 65624, 85816, 87958, 125569, 139451, 175916, 251138, 278902, 351832, 502276, 557804, 1004552, 1115608, 1632397, 2134673, 3264794, 4269346, 6529588, 8538692, 13059176, 17077384, 27750749, 55501498, 111002996, 222005992]

約数ペア:

[(1, 222005992), (2, 111002996), (4, 55501498), (8, 27750749), (13, 17077384), (17, 13059176), (26, 8538692), (34, 6529588), (52, 4269346), (68, 3264794), (104, 2134673), (136, 1632397), (199, 1115608), (221, 1004552), (398, 557804), (442, 502276), (631, 351832), (796, 278902), (884, 251138), (1262, 175916), (1592, 139451), (1768, 125569), (2524, 87958), (2587, 85816), (3383, 65624), (5048, 43979), (5174, 42908), (6766, 32812), (8203, 27064), (10348, 21454), (10727, 20696), (13532, 16406)]