253881516

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{42569}}^1$

素因数の和:42654

約数の個数: 48

約数和(自身を含む): 686568960

約数和(自身を除く): 432687444

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 71, 84, 142, 213, 284, 426, 497, 852, 994, 1491, 1988, 2982, 5964, 42569, 85138, 127707, 170276, 255414, 297983, 510828, 595966, 893949, 1191932, 1787898, 3022399, 3575796, 6044798, 9067197, 12089596, 18134394, 21156793, 36268788, 42313586, 63470379, 84627172, 126940758, 253881516]

約数ペア:

[(1, 253881516), (2, 126940758), (3, 84627172), (4, 63470379), (6, 42313586), (7, 36268788), (12, 21156793), (14, 18134394), (21, 12089596), (28, 9067197), (42, 6044798), (71, 3575796), (84, 3022399), (142, 1787898), (213, 1191932), (284, 893949), (426, 595966), (497, 510828), (852, 297983), (994, 255414), (1491, 170276), (1988, 127707), (2982, 85138), (5964, 42569)]