31858554

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{83}}^1$

素因数の和:164

約数の個数: 128

約数和(自身を含む): 85800960

約数和(自身を除く): 53942406

約数列:

[1, 2, 3, 6, 7, 13, 14, 19, 21, 26, 37, 38, 39, 42, 57, 74, 78, 83, 91, 111, 114, 133, 166, 182, 222, 247, 249, 259, 266, 273, 399, 481, 494, 498, 518, 546, 581, 703, 741, 777, 798, 962, 1079, 1162, 1406, 1443, 1482, 1554, 1577, 1729, 1743, 2109, 2158, 2886, 3071, 3154, 3237, 3367, 3458, 3486, 4218, 4731, 4921, 5187, 6142, 6474, 6734, 7553, 9139, 9213, 9462, 9842, 10101, 10374, 11039, 14763, 15106, 18278, 18426, 20202, 20501, 21497, 22078, 22659, 27417, 29526, 33117, 39923, 41002, 42994, 45318, 54834, 58349, 61503, 63973, 64491, 66234, 79846, 116698, 119769, 123006, 127946, 128982, 143507, 175047, 191919, 239538, 279461, 287014, 350094, 383838, 408443, 430521, 558922, 758537, 816886, 838383, 861042, 1225329, 1517074, 1676766, 2275611, 2450658, 4551222, 5309759, 10619518, 15929277, 31858554]

約数ペア:

[(1, 31858554), (2, 15929277), (3, 10619518), (6, 5309759), (7, 4551222), (13, 2450658), (14, 2275611), (19, 1676766), (21, 1517074), (26, 1225329), (37, 861042), (38, 838383), (39, 816886), (42, 758537), (57, 558922), (74, 430521), (78, 408443), (83, 383838), (91, 350094), (111, 287014), (114, 279461), (133, 239538), (166, 191919), (182, 175047), (222, 143507), (247, 128982), (249, 127946), (259, 123006), (266, 119769), (273, 116698), (399, 79846), (481, 66234), (494, 64491), (498, 63973), (518, 61503), (546, 58349), (581, 54834), (703, 45318), (741, 42994), (777, 41002), (798, 39923), (962, 33117), (1079, 29526), (1162, 27417), (1406, 22659), (1443, 22078), (1482, 21497), (1554, 20501), (1577, 20202), (1729, 18426), (1743, 18278), (2109, 15106), (2158, 14763), (2886, 11039), (3071, 10374), (3154, 10101), (3237, 9842), (3367, 9462), (3458, 9213), (3486, 9139), (4218, 7553), (4731, 6734), (4921, 6474), (5187, 6142)]