85987304

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{179}}^1$

素因数の和:378

約数の個数: 64

約数和(自身を含む): 181440000

約数和(自身を除く): 95452696

約数列:

[1, 2, 4, 8, 13, 26, 31, 52, 62, 104, 124, 149, 179, 248, 298, 358, 403, 596, 716, 806, 1192, 1432, 1612, 1937, 2327, 3224, 3874, 4619, 4654, 5549, 7748, 9238, 9308, 11098, 15496, 18476, 18616, 22196, 26671, 36952, 44392, 53342, 60047, 72137, 106684, 120094, 144274, 213368, 240188, 288548, 346723, 480376, 577096, 693446, 826801, 1386892, 1653602, 2773784, 3307204, 6614408, 10748413, 21496826, 42993652, 85987304]

約数ペア:

[(1, 85987304), (2, 42993652), (4, 21496826), (8, 10748413), (13, 6614408), (26, 3307204), (31, 2773784), (52, 1653602), (62, 1386892), (104, 826801), (124, 693446), (149, 577096), (179, 480376), (248, 346723), (298, 288548), (358, 240188), (403, 213368), (596, 144274), (716, 120094), (806, 106684), (1192, 72137), (1432, 60047), (1612, 53342), (1937, 44392), (2327, 36952), (3224, 26671), (3874, 22196), (4619, 18616), (4654, 18476), (5549, 15496), (7748, 11098), (9238, 9308)]