643539416

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{47}}^1\times {\mathrm{137}}^1$

素因数の和:265

約数の個数: 96

約数和(自身を含む): 1381302720

約数和(自身を除く): 737763304

約数列:

[1, 2, 4, 8, 13, 26, 31, 47, 52, 62, 94, 104, 124, 137, 188, 248, 274, 376, 403, 548, 611, 806, 961, 1096, 1222, 1457, 1612, 1781, 1922, 2444, 2914, 3224, 3562, 3844, 4247, 4888, 5828, 6439, 7124, 7688, 8494, 11656, 12493, 12878, 14248, 16988, 18941, 24986, 25756, 33976, 37882, 45167, 49972, 51512, 55211, 75764, 83707, 90334, 99944, 110422, 131657, 151528, 167414, 180668, 199609, 220844, 263314, 334828, 361336, 399218, 441688, 526628, 587171, 669656, 798436, 1053256, 1174342, 1596872, 1711541, 2348684, 2594917, 3423082, 4697368, 5189834, 6187879, 6846164, 10379668, 12375758, 13692328, 20759336, 24751516, 49503032, 80442427, 160884854, 321769708, 643539416]

約数ペア:

[(1, 643539416), (2, 321769708), (4, 160884854), (8, 80442427), (13, 49503032), (26, 24751516), (31, 20759336), (47, 13692328), (52, 12375758), (62, 10379668), (94, 6846164), (104, 6187879), (124, 5189834), (137, 4697368), (188, 3423082), (248, 2594917), (274, 2348684), (376, 1711541), (403, 1596872), (548, 1174342), (611, 1053256), (806, 798436), (961, 669656), (1096, 587171), (1222, 526628), (1457, 441688), (1612, 399218), (1781, 361336), (1922, 334828), (2444, 263314), (2914, 220844), (3224, 199609), (3562, 180668), (3844, 167414), (4247, 151528), (4888, 131657), (5828, 110422), (6439, 99944), (7124, 90334), (7688, 83707), (8494, 75764), (11656, 55211), (12493, 51512), (12878, 49972), (14248, 45167), (16988, 37882), (18941, 33976), (24986, 25756)]