257981504

素因数分解:

$2^6\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{11821}}^1$

素因数の和:11875

約数の個数: 56

約数和(自身を含む): 576535296

約数和(自身を除く): 318553792

約数列:

[1, 2, 4, 8, 11, 16, 22, 31, 32, 44, 62, 64, 88, 124, 176, 248, 341, 352, 496, 682, 704, 992, 1364, 1984, 2728, 5456, 10912, 11821, 21824, 23642, 47284, 94568, 130031, 189136, 260062, 366451, 378272, 520124, 732902, 756544, 1040248, 1465804, 2080496, 2931608, 4030961, 4160992, 5863216, 8061922, 8321984, 11726432, 16123844, 23452864, 32247688, 64495376, 128990752, 257981504]

約数ペア:

[(1, 257981504), (2, 128990752), (4, 64495376), (8, 32247688), (11, 23452864), (16, 16123844), (22, 11726432), (31, 8321984), (32, 8061922), (44, 5863216), (62, 4160992), (64, 4030961), (88, 2931608), (124, 2080496), (176, 1465804), (248, 1040248), (341, 756544), (352, 732902), (496, 520124), (682, 378272), (704, 366451), (992, 260062), (1364, 189136), (1984, 130031), (2728, 94568), (5456, 47284), (10912, 23642), (11821, 21824)]