231677368

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{349}}^1\times {\mathrm{491}}^1$

素因数の和:872

約数の個数: 48

約数和(自身を含む): 472689000

約数和(自身を除く): 241011632

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 169, 338, 349, 491, 676, 698, 982, 1352, 1396, 1964, 2792, 3928, 4537, 6383, 9074, 12766, 18148, 25532, 36296, 51064, 58981, 82979, 117962, 165958, 171359, 235924, 331916, 342718, 471848, 663832, 685436, 1370872, 2227667, 4455334, 8910668, 17821336, 28959671, 57919342, 115838684, 231677368]

約数ペア:

[(1, 231677368), (2, 115838684), (4, 57919342), (8, 28959671), (13, 17821336), (26, 8910668), (52, 4455334), (104, 2227667), (169, 1370872), (338, 685436), (349, 663832), (491, 471848), (676, 342718), (698, 331916), (982, 235924), (1352, 171359), (1396, 165958), (1964, 117962), (2792, 82979), (3928, 58981), (4537, 51064), (6383, 36296), (9074, 25532), (12766, 18148)]