131261508

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{8539}}^1$

素因数の和:8617

約数の個数: 72

約数和(自身を含む): 385461440

約数和(自身を除く): 254199932

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 61, 63, 84, 122, 126, 183, 244, 252, 366, 427, 549, 732, 854, 1098, 1281, 1708, 2196, 2562, 3843, 5124, 7686, 8539, 15372, 17078, 25617, 34156, 51234, 59773, 76851, 102468, 119546, 153702, 179319, 239092, 307404, 358638, 520879, 537957, 717276, 1041758, 1075914, 1562637, 2083516, 2151828, 3125274, 3646153, 4687911, 6250548, 7292306, 9375822, 10938459, 14584612, 18751644, 21876918, 32815377, 43753836, 65630754, 131261508]

約数ペア:

[(1, 131261508), (2, 65630754), (3, 43753836), (4, 32815377), (6, 21876918), (7, 18751644), (9, 14584612), (12, 10938459), (14, 9375822), (18, 7292306), (21, 6250548), (28, 4687911), (36, 3646153), (42, 3125274), (61, 2151828), (63, 2083516), (84, 1562637), (122, 1075914), (126, 1041758), (183, 717276), (244, 537957), (252, 520879), (366, 358638), (427, 307404), (549, 239092), (732, 179319), (854, 153702), (1098, 119546), (1281, 102468), (1708, 76851), (2196, 59773), (2562, 51234), (3843, 34156), (5124, 25617), (7686, 17078), (8539, 15372)]