408978992

素因数分解:

$2^4\times {\mathrm{167}}^1\times {\mathrm{269}}^1\times {\mathrm{569}}^1$

素因数の和:1013

約数の個数: 40

約数和(自身を含む): 801511200

約数和(自身を除く): 392532208

約数列:

[1, 2, 4, 8, 16, 167, 269, 334, 538, 569, 668, 1076, 1138, 1336, 2152, 2276, 2672, 4304, 4552, 9104, 44923, 89846, 95023, 153061, 179692, 190046, 306122, 359384, 380092, 612244, 718768, 760184, 1224488, 1520368, 2448976, 25561187, 51122374, 102244748, 204489496, 408978992]

約数ペア:

[(1, 408978992), (2, 204489496), (4, 102244748), (8, 51122374), (16, 25561187), (167, 2448976), (269, 1520368), (334, 1224488), (538, 760184), (569, 718768), (668, 612244), (1076, 380092), (1138, 359384), (1336, 306122), (2152, 190046), (2276, 179692), (2672, 153061), (4304, 95023), (4552, 89846), (9104, 44923)]