257669944

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{242171}}^1$

素因数の和:242203

約数の個数: 32

約数和(自身を含む): 581212800

約数和(自身を除く): 323542856

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 56, 76, 133, 152, 266, 532, 1064, 242171, 484342, 968684, 1695197, 1937368, 3390394, 4601249, 6780788, 9202498, 13561576, 18404996, 32208743, 36809992, 64417486, 128834972, 257669944]

約数ペア:

[(1, 257669944), (2, 128834972), (4, 64417486), (7, 36809992), (8, 32208743), (14, 18404996), (19, 13561576), (28, 9202498), (38, 6780788), (56, 4601249), (76, 3390394), (133, 1937368), (152, 1695197), (266, 968684), (532, 484342), (1064, 242171)]