257516256

素因数分解:

$2^5\times 3^1\times {\mathrm{31}}^1\times {\mathrm{86531}}^1$

素因数の和:86575

約数の個数: 48

約数和(自身を含む): 697794048

約数和(自身を除く): 440277792

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 31, 32, 48, 62, 93, 96, 124, 186, 248, 372, 496, 744, 992, 1488, 2976, 86531, 173062, 259593, 346124, 519186, 692248, 1038372, 1384496, 2076744, 2682461, 2768992, 4153488, 5364922, 8047383, 8306976, 10729844, 16094766, 21459688, 32189532, 42919376, 64379064, 85838752, 128758128, 257516256]

約数ペア:

[(1, 257516256), (2, 128758128), (3, 85838752), (4, 64379064), (6, 42919376), (8, 32189532), (12, 21459688), (16, 16094766), (24, 10729844), (31, 8306976), (32, 8047383), (48, 5364922), (62, 4153488), (93, 2768992), (96, 2682461), (124, 2076744), (186, 1384496), (248, 1038372), (372, 692248), (496, 519186), (744, 346124), (992, 259593), (1488, 173062), (2976, 86531)]