661180388

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{79}}^1\times {\mathrm{167}}^1$

素因数の和:345

約数の個数: 96

約数和(自身を含む): 1381847040

約数和(自身を除く): 720666652

約数列:

[1, 2, 4, 11, 17, 22, 34, 44, 67, 68, 79, 134, 158, 167, 187, 268, 316, 334, 374, 668, 737, 748, 869, 1139, 1343, 1474, 1738, 1837, 2278, 2686, 2839, 2948, 3476, 3674, 4556, 5293, 5372, 5678, 7348, 10586, 11189, 11356, 12529, 13193, 14773, 21172, 22378, 25058, 26386, 29546, 31229, 44756, 50116, 52772, 58223, 59092, 62458, 89981, 116446, 123079, 124916, 145123, 179962, 190213, 224281, 232892, 246158, 290246, 359924, 380426, 448562, 492316, 580492, 760852, 883931, 897124, 989791, 1767862, 1979582, 2092343, 2467091, 3535724, 3959164, 4184686, 4934182, 8369372, 9723241, 9868364, 15026827, 19446482, 30053654, 38892964, 60107308, 165295097, 330590194, 661180388]

約数ペア:

[(1, 661180388), (2, 330590194), (4, 165295097), (11, 60107308), (17, 38892964), (22, 30053654), (34, 19446482), (44, 15026827), (67, 9868364), (68, 9723241), (79, 8369372), (134, 4934182), (158, 4184686), (167, 3959164), (187, 3535724), (268, 2467091), (316, 2092343), (334, 1979582), (374, 1767862), (668, 989791), (737, 897124), (748, 883931), (869, 760852), (1139, 580492), (1343, 492316), (1474, 448562), (1738, 380426), (1837, 359924), (2278, 290246), (2686, 246158), (2839, 232892), (2948, 224281), (3476, 190213), (3674, 179962), (4556, 145123), (5293, 124916), (5372, 123079), (5678, 116446), (7348, 89981), (10586, 62458), (11189, 59092), (11356, 58223), (12529, 52772), (13193, 50116), (14773, 44756), (21172, 31229), (22378, 29546), (25058, 26386)]