251979904

素因数分解:

$2^7\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{251}}^1$

素因数の和:330

約数の個数: 128

約数和(自身を含む): 592220160

約数和(自身を除く): 340240256

約数列:

[1, 2, 4, 8, 11, 16, 22, 23, 31, 32, 44, 46, 62, 64, 88, 92, 124, 128, 176, 184, 248, 251, 253, 341, 352, 368, 496, 502, 506, 682, 704, 713, 736, 992, 1004, 1012, 1364, 1408, 1426, 1472, 1984, 2008, 2024, 2728, 2761, 2852, 2944, 3968, 4016, 4048, 5456, 5522, 5704, 5773, 7781, 7843, 8032, 8096, 10912, 11044, 11408, 11546, 15562, 15686, 16064, 16192, 21824, 22088, 22816, 23092, 31124, 31372, 32128, 32384, 43648, 44176, 45632, 46184, 62248, 62744, 63503, 85591, 88352, 91264, 92368, 124496, 125488, 127006, 171182, 176704, 178963, 184736, 248992, 250976, 254012, 342364, 353408, 357926, 369472, 497984, 501952, 508024, 684728, 715852, 738944, 995968, 1003904, 1016048, 1369456, 1431704, 1968593, 2032096, 2738912, 2863408, 3937186, 4064192, 5477824, 5726816, 7874372, 8128384, 10955648, 11453632, 15748744, 22907264, 31497488, 62994976, 125989952, 251979904]

約数ペア:

[(1, 251979904), (2, 125989952), (4, 62994976), (8, 31497488), (11, 22907264), (16, 15748744), (22, 11453632), (23, 10955648), (31, 8128384), (32, 7874372), (44, 5726816), (46, 5477824), (62, 4064192), (64, 3937186), (88, 2863408), (92, 2738912), (124, 2032096), (128, 1968593), (176, 1431704), (184, 1369456), (248, 1016048), (251, 1003904), (253, 995968), (341, 738944), (352, 715852), (368, 684728), (496, 508024), (502, 501952), (506, 497984), (682, 369472), (704, 357926), (713, 353408), (736, 342364), (992, 254012), (1004, 250976), (1012, 248992), (1364, 184736), (1408, 178963), (1426, 176704), (1472, 171182), (1984, 127006), (2008, 125488), (2024, 124496), (2728, 92368), (2761, 91264), (2852, 88352), (2944, 85591), (3968, 63503), (4016, 62744), (4048, 62248), (5456, 46184), (5522, 45632), (5704, 44176), (5773, 43648), (7781, 32384), (7843, 32128), (8032, 31372), (8096, 31124), (10912, 23092), (11044, 22816), (11408, 22088), (11546, 21824), (15562, 16192), (15686, 16064)]