31188872

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{199}}^1$

素因数の和:366

約数の個数: 64

約数和(自身を含む): 69552000

約数和(自身を除く): 38363128

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 44, 52, 88, 104, 137, 143, 199, 274, 286, 398, 548, 572, 796, 1096, 1144, 1507, 1592, 1781, 2189, 2587, 3014, 3562, 4378, 5174, 6028, 7124, 8756, 10348, 12056, 14248, 17512, 19591, 20696, 27263, 28457, 39182, 54526, 56914, 78364, 109052, 113828, 156728, 218104, 227656, 299893, 354419, 599786, 708838, 1199572, 1417676, 2399144, 2835352, 3898609, 7797218, 15594436, 31188872]

約数ペア:

[(1, 31188872), (2, 15594436), (4, 7797218), (8, 3898609), (11, 2835352), (13, 2399144), (22, 1417676), (26, 1199572), (44, 708838), (52, 599786), (88, 354419), (104, 299893), (137, 227656), (143, 218104), (199, 156728), (274, 113828), (286, 109052), (398, 78364), (548, 56914), (572, 54526), (796, 39182), (1096, 28457), (1144, 27263), (1507, 20696), (1592, 19591), (1781, 17512), (2189, 14248), (2587, 12056), (3014, 10348), (3562, 8756), (4378, 7124), (5174, 6028)]