129804519964

素因数分解:

$2^2\times 7^2\times {\mathrm{179}}^1\times {\mathrm{181}}^1\times {\mathrm{20441}}^1$

素因数の和:20819

約数の個数: 72

約数和(自身を含む): 267202288080

約数和(自身を除く): 137397768116

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 179, 181, 196, 358, 362, 716, 724, 1253, 1267, 2506, 2534, 5012, 5068, 8771, 8869, 17542, 17738, 20441, 32399, 35084, 35476, 40882, 64798, 81764, 129596, 143087, 226793, 286174, 453586, 572348, 907172, 1001609, 1587551, 2003218, 3175102, 3658939, 3699821, 4006436, 6350204, 7317878, 7399642, 14635756, 14799284, 25612573, 25898747, 51225146, 51797494, 102450292, 103594988, 179288011, 181291229, 358576022, 362582458, 662267959, 717152044, 725164916, 1324535918, 2649071836, 4635875713, 9271751426, 18543502852, 32451129991, 64902259982, 129804519964]

約数ペア:

[(1, 129804519964), (2, 64902259982), (4, 32451129991), (7, 18543502852), (14, 9271751426), (28, 4635875713), (49, 2649071836), (98, 1324535918), (179, 725164916), (181, 717152044), (196, 662267959), (358, 362582458), (362, 358576022), (716, 181291229), (724, 179288011), (1253, 103594988), (1267, 102450292), (2506, 51797494), (2534, 51225146), (5012, 25898747), (5068, 25612573), (8771, 14799284), (8869, 14635756), (17542, 7399642), (17738, 7317878), (20441, 6350204), (32399, 4006436), (35084, 3699821), (35476, 3658939), (40882, 3175102), (64798, 2003218), (81764, 1587551), (129596, 1001609), (143087, 907172), (226793, 572348), (286174, 453586)]