38915478

素因数分解:

$2^1\times 3^7\times 7^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1$

素因数の和:102

約数の個数: 128

約数和(自身を含む): 105799680

約数和(自身を除く): 66884202

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 31, 41, 42, 54, 62, 63, 81, 82, 93, 123, 126, 162, 186, 189, 217, 243, 246, 279, 287, 369, 378, 434, 486, 558, 567, 574, 651, 729, 738, 837, 861, 1107, 1134, 1271, 1302, 1458, 1674, 1701, 1722, 1953, 2187, 2214, 2511, 2542, 2583, 3321, 3402, 3813, 3906, 4374, 5022, 5103, 5166, 5859, 6642, 7533, 7626, 7749, 8897, 9963, 10206, 11439, 11718, 15066, 15309, 15498, 17577, 17794, 19926, 22599, 22878, 23247, 26691, 29889, 30618, 34317, 35154, 45198, 46494, 52731, 53382, 59778, 67797, 68634, 69741, 80073, 89667, 102951, 105462, 135594, 139482, 158193, 160146, 179334, 205902, 209223, 240219, 308853, 316386, 418446, 474579, 480438, 617706, 627669, 720657, 926559, 949158, 1255338, 1441314, 1853118, 2161971, 2779677, 4323942, 5559354, 6485913, 12971826, 19457739, 38915478]

約数ペア:

[(1, 38915478), (2, 19457739), (3, 12971826), (6, 6485913), (7, 5559354), (9, 4323942), (14, 2779677), (18, 2161971), (21, 1853118), (27, 1441314), (31, 1255338), (41, 949158), (42, 926559), (54, 720657), (62, 627669), (63, 617706), (81, 480438), (82, 474579), (93, 418446), (123, 316386), (126, 308853), (162, 240219), (186, 209223), (189, 205902), (217, 179334), (243, 160146), (246, 158193), (279, 139482), (287, 135594), (369, 105462), (378, 102951), (434, 89667), (486, 80073), (558, 69741), (567, 68634), (574, 67797), (651, 59778), (729, 53382), (738, 52731), (837, 46494), (861, 45198), (1107, 35154), (1134, 34317), (1271, 30618), (1302, 29889), (1458, 26691), (1674, 23247), (1701, 22878), (1722, 22599), (1953, 19926), (2187, 17794), (2214, 17577), (2511, 15498), (2542, 15309), (2583, 15066), (3321, 11718), (3402, 11439), (3813, 10206), (3906, 9963), (4374, 8897), (5022, 7749), (5103, 7626), (5166, 7533), (5859, 6642)]