258741376

素因数分解:

$2^7\times {\mathrm{31}}^1\times {\mathrm{197}}^1\times {\mathrm{331}}^1$

素因数の和:573

約数の個数: 64

約数和(自身を含む): 536405760

約数和(自身を除く): 277664384

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 197, 248, 331, 394, 496, 662, 788, 992, 1324, 1576, 1984, 2648, 3152, 3968, 5296, 6107, 6304, 10261, 10592, 12214, 12608, 20522, 21184, 24428, 25216, 41044, 42368, 48856, 65207, 82088, 97712, 130414, 164176, 195424, 260828, 328352, 390848, 521656, 656704, 781696, 1043312, 1313408, 2021417, 2086624, 4042834, 4173248, 8085668, 8346496, 16171336, 32342672, 64685344, 129370688, 258741376]

約数ペア:

[(1, 258741376), (2, 129370688), (4, 64685344), (8, 32342672), (16, 16171336), (31, 8346496), (32, 8085668), (62, 4173248), (64, 4042834), (124, 2086624), (128, 2021417), (197, 1313408), (248, 1043312), (331, 781696), (394, 656704), (496, 521656), (662, 390848), (788, 328352), (992, 260828), (1324, 195424), (1576, 164176), (1984, 130414), (2648, 97712), (3152, 82088), (3968, 65207), (5296, 48856), (6107, 42368), (6304, 41044), (10261, 25216), (10592, 24428), (12214, 21184), (12608, 20522)]