1407328

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{199}}^1$

素因数の和:239

約数の個数: 48

約数和(自身を含む): 3175200

約数和(自身を除く): 1767872

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 32, 34, 52, 68, 104, 136, 199, 208, 221, 272, 398, 416, 442, 544, 796, 884, 1592, 1768, 2587, 3184, 3383, 3536, 5174, 6368, 6766, 7072, 10348, 13532, 20696, 27064, 41392, 43979, 54128, 82784, 87958, 108256, 175916, 351832, 703664, 1407328]

約数ペア:

[(1, 1407328), (2, 703664), (4, 351832), (8, 175916), (13, 108256), (16, 87958), (17, 82784), (26, 54128), (32, 43979), (34, 41392), (52, 27064), (68, 20696), (104, 13532), (136, 10348), (199, 7072), (208, 6766), (221, 6368), (272, 5174), (398, 3536), (416, 3383), (442, 3184), (544, 2587), (796, 1768), (884, 1592)]