247647512

素因数分解:

$2^3\times 7^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{2543}}^1$

素因数の和:2640

約数の個数: 64

約数和(自身を含む): 556830720

約数和(自身を除く): 309183208

約数列:

[1, 2, 4, 7, 8, 14, 28, 37, 47, 56, 74, 94, 148, 188, 259, 296, 329, 376, 518, 658, 1036, 1316, 1739, 2072, 2543, 2632, 3478, 5086, 6956, 10172, 12173, 13912, 17801, 20344, 24346, 35602, 48692, 71204, 94091, 97384, 119521, 142408, 188182, 239042, 376364, 478084, 658637, 752728, 836647, 956168, 1317274, 1673294, 2634548, 3346588, 4422277, 5269096, 6693176, 8844554, 17689108, 30955939, 35378216, 61911878, 123823756, 247647512]

約数ペア:

[(1, 247647512), (2, 123823756), (4, 61911878), (7, 35378216), (8, 30955939), (14, 17689108), (28, 8844554), (37, 6693176), (47, 5269096), (56, 4422277), (74, 3346588), (94, 2634548), (148, 1673294), (188, 1317274), (259, 956168), (296, 836647), (329, 752728), (376, 658637), (518, 478084), (658, 376364), (1036, 239042), (1316, 188182), (1739, 142408), (2072, 119521), (2543, 97384), (2632, 94091), (3478, 71204), (5086, 48692), (6956, 35602), (10172, 24346), (12173, 20344), (13912, 17801)]