78979290

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{313}}^1\times {\mathrm{647}}^1$

素因数の和:983

約数の個数: 64

約数和(自身を含む): 205099776

約数和(自身を除く): 126120486

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 313, 390, 626, 647, 939, 1294, 1565, 1878, 1941, 3130, 3235, 3882, 4069, 4695, 6470, 8138, 8411, 9390, 9705, 12207, 16822, 19410, 20345, 24414, 25233, 40690, 42055, 50466, 61035, 84110, 122070, 126165, 202511, 252330, 405022, 607533, 1012555, 1215066, 2025110, 2632643, 3037665, 5265286, 6075330, 7897929, 13163215, 15795858, 26326430, 39489645, 78979290]

約数ペア:

[(1, 78979290), (2, 39489645), (3, 26326430), (5, 15795858), (6, 13163215), (10, 7897929), (13, 6075330), (15, 5265286), (26, 3037665), (30, 2632643), (39, 2025110), (65, 1215066), (78, 1012555), (130, 607533), (195, 405022), (313, 252330), (390, 202511), (626, 126165), (647, 122070), (939, 84110), (1294, 61035), (1565, 50466), (1878, 42055), (1941, 40690), (3130, 25233), (3235, 24414), (3882, 20345), (4069, 19410), (4695, 16822), (6470, 12207), (8138, 9705), (8411, 9390)]