81360188

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{863}}^1$

素因数の和:931

約数の個数: 72

約数和(自身を含む): 183399552

約数和(自身を除く): 102039364

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 37, 49, 52, 74, 91, 98, 148, 182, 196, 259, 364, 481, 518, 637, 863, 962, 1036, 1274, 1726, 1813, 1924, 2548, 3367, 3452, 3626, 6041, 6734, 7252, 11219, 12082, 13468, 22438, 23569, 24164, 31931, 42287, 44876, 47138, 63862, 78533, 84574, 94276, 127724, 157066, 169148, 223517, 314132, 415103, 447034, 549731, 830206, 894068, 1099462, 1564619, 1660412, 2198924, 2905721, 3129238, 5811442, 6258476, 11622884, 20340047, 40680094, 81360188]

約数ペア:

[(1, 81360188), (2, 40680094), (4, 20340047), (7, 11622884), (13, 6258476), (14, 5811442), (26, 3129238), (28, 2905721), (37, 2198924), (49, 1660412), (52, 1564619), (74, 1099462), (91, 894068), (98, 830206), (148, 549731), (182, 447034), (196, 415103), (259, 314132), (364, 223517), (481, 169148), (518, 157066), (637, 127724), (863, 94276), (962, 84574), (1036, 78533), (1274, 63862), (1726, 47138), (1813, 44876), (1924, 42287), (2548, 31931), (3367, 24164), (3452, 23569), (3626, 22438), (6041, 13468), (6734, 12082), (7252, 11219)]