638953296

素因数分解:

$2^4\times 3^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{21163}}^1$

素因数の和:21228

約数の個数: 80

約数和(自身を含む): 1795045824

約数和(自身を除く): 1156092528

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 34, 37, 48, 51, 68, 74, 102, 111, 136, 148, 204, 222, 272, 296, 408, 444, 592, 629, 816, 888, 1258, 1776, 1887, 2516, 3774, 5032, 7548, 10064, 15096, 21163, 30192, 42326, 63489, 84652, 126978, 169304, 253956, 338608, 359771, 507912, 719542, 783031, 1015824, 1079313, 1439084, 1566062, 2158626, 2349093, 2878168, 3132124, 4317252, 4698186, 5756336, 6264248, 8634504, 9396372, 12528496, 13311527, 17269008, 18792744, 26623054, 37585488, 39934581, 53246108, 79869162, 106492216, 159738324, 212984432, 319476648, 638953296]

約数ペア:

[(1, 638953296), (2, 319476648), (3, 212984432), (4, 159738324), (6, 106492216), (8, 79869162), (12, 53246108), (16, 39934581), (17, 37585488), (24, 26623054), (34, 18792744), (37, 17269008), (48, 13311527), (51, 12528496), (68, 9396372), (74, 8634504), (102, 6264248), (111, 5756336), (136, 4698186), (148, 4317252), (204, 3132124), (222, 2878168), (272, 2349093), (296, 2158626), (408, 1566062), (444, 1439084), (592, 1079313), (629, 1015824), (816, 783031), (888, 719542), (1258, 507912), (1776, 359771), (1887, 338608), (2516, 253956), (3774, 169304), (5032, 126978), (7548, 84652), (10064, 63489), (15096, 42326), (21163, 30192)]