161637476

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1$

素因数の和:194

約数の個数: 144

約数和(自身を含む): 396829440

約数和(自身を除く): 235191964

約数列:

[1, 2, 4, 7, 11, 13, 14, 22, 26, 28, 44, 49, 52, 73, 77, 79, 91, 98, 143, 146, 154, 158, 182, 196, 286, 292, 308, 316, 364, 511, 539, 553, 572, 637, 803, 869, 949, 1001, 1022, 1027, 1078, 1106, 1274, 1606, 1738, 1898, 2002, 2044, 2054, 2156, 2212, 2548, 3212, 3476, 3577, 3796, 3871, 4004, 4108, 5621, 5767, 6083, 6643, 7007, 7154, 7189, 7742, 10439, 11242, 11297, 11534, 12166, 13286, 14014, 14308, 14378, 15484, 20878, 22484, 22594, 23068, 24332, 26572, 28028, 28756, 39347, 40369, 41756, 42581, 45188, 46501, 50323, 63437, 73073, 74971, 78694, 79079, 80738, 85162, 93002, 100646, 126874, 146146, 149942, 157388, 158158, 161476, 170324, 186004, 201292, 253748, 282583, 292292, 299884, 316316, 444059, 511511, 524797, 553553, 565166, 824681, 888118, 1023022, 1049594, 1107106, 1130332, 1649362, 1776236, 2046044, 2099188, 2214212, 3108413, 3298724, 3673579, 5772767, 6216826, 7347158, 11545534, 12433652, 14694316, 23091068, 40409369, 80818738, 161637476]

約数ペア:

[(1, 161637476), (2, 80818738), (4, 40409369), (7, 23091068), (11, 14694316), (13, 12433652), (14, 11545534), (22, 7347158), (26, 6216826), (28, 5772767), (44, 3673579), (49, 3298724), (52, 3108413), (73, 2214212), (77, 2099188), (79, 2046044), (91, 1776236), (98, 1649362), (143, 1130332), (146, 1107106), (154, 1049594), (158, 1023022), (182, 888118), (196, 824681), (286, 565166), (292, 553553), (308, 524797), (316, 511511), (364, 444059), (511, 316316), (539, 299884), (553, 292292), (572, 282583), (637, 253748), (803, 201292), (869, 186004), (949, 170324), (1001, 161476), (1022, 158158), (1027, 157388), (1078, 149942), (1106, 146146), (1274, 126874), (1606, 100646), (1738, 93002), (1898, 85162), (2002, 80738), (2044, 79079), (2054, 78694), (2156, 74971), (2212, 73073), (2548, 63437), (3212, 50323), (3476, 46501), (3577, 45188), (3796, 42581), (3871, 41756), (4004, 40369), (4108, 39347), (5621, 28756), (5767, 28028), (6083, 26572), (6643, 24332), (7007, 23068), (7154, 22594), (7189, 22484), (7742, 20878), (10439, 15484), (11242, 14378), (11297, 14308), (11534, 14014), (12166, 13286)]