31209568

素因数分解:

$2^5\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{199}}^1$

素因数の和:264

約数の個数: 72

約数和(自身を含む): 69174000

約数和(自身を除く): 37964432

約数列:

[1, 2, 4, 8, 13, 16, 26, 29, 32, 52, 58, 104, 116, 169, 199, 208, 232, 338, 377, 398, 416, 464, 676, 754, 796, 928, 1352, 1508, 1592, 2587, 2704, 3016, 3184, 4901, 5174, 5408, 5771, 6032, 6368, 9802, 10348, 11542, 12064, 19604, 20696, 23084, 33631, 39208, 41392, 46168, 67262, 75023, 78416, 82784, 92336, 134524, 150046, 156832, 184672, 269048, 300092, 538096, 600184, 975299, 1076192, 1200368, 1950598, 2400736, 3901196, 7802392, 15604784, 31209568]

約数ペア:

[(1, 31209568), (2, 15604784), (4, 7802392), (8, 3901196), (13, 2400736), (16, 1950598), (26, 1200368), (29, 1076192), (32, 975299), (52, 600184), (58, 538096), (104, 300092), (116, 269048), (169, 184672), (199, 156832), (208, 150046), (232, 134524), (338, 92336), (377, 82784), (398, 78416), (416, 75023), (464, 67262), (676, 46168), (754, 41392), (796, 39208), (928, 33631), (1352, 23084), (1508, 20696), (1592, 19604), (2587, 12064), (2704, 11542), (3016, 10348), (3184, 9802), (4901, 6368), (5174, 6032), (5408, 5771)]