256923108

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{751}}^1$

素因数の和:834

約数の個数: 144

約数和(自身を含む): 758774016

約数和(自身を除く): 501850908

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 17, 18, 26, 34, 36, 39, 43, 51, 52, 68, 78, 86, 102, 117, 129, 153, 156, 172, 204, 221, 234, 258, 306, 387, 442, 468, 516, 559, 612, 663, 731, 751, 774, 884, 1118, 1326, 1462, 1502, 1548, 1677, 1989, 2193, 2236, 2253, 2652, 2924, 3004, 3354, 3978, 4386, 4506, 5031, 6579, 6708, 6759, 7956, 8772, 9012, 9503, 9763, 10062, 12767, 13158, 13518, 19006, 19526, 20124, 25534, 26316, 27036, 28509, 29289, 32293, 38012, 38301, 39052, 51068, 57018, 58578, 64586, 76602, 85527, 87867, 96879, 114036, 114903, 117156, 129172, 153204, 165971, 171054, 175734, 193758, 229806, 290637, 331942, 342108, 351468, 387516, 419809, 459612, 497913, 548981, 581274, 663884, 839618, 995826, 1097962, 1162548, 1259427, 1493739, 1646943, 1679236, 1991652, 2195924, 2518854, 2987478, 3293886, 3778281, 4940829, 5037708, 5974956, 6587772, 7136753, 7556562, 9881658, 14273506, 15113124, 19763316, 21410259, 28547012, 42820518, 64230777, 85641036, 128461554, 256923108]

約数ペア:

[(1, 256923108), (2, 128461554), (3, 85641036), (4, 64230777), (6, 42820518), (9, 28547012), (12, 21410259), (13, 19763316), (17, 15113124), (18, 14273506), (26, 9881658), (34, 7556562), (36, 7136753), (39, 6587772), (43, 5974956), (51, 5037708), (52, 4940829), (68, 3778281), (78, 3293886), (86, 2987478), (102, 2518854), (117, 2195924), (129, 1991652), (153, 1679236), (156, 1646943), (172, 1493739), (204, 1259427), (221, 1162548), (234, 1097962), (258, 995826), (306, 839618), (387, 663884), (442, 581274), (468, 548981), (516, 497913), (559, 459612), (612, 419809), (663, 387516), (731, 351468), (751, 342108), (774, 331942), (884, 290637), (1118, 229806), (1326, 193758), (1462, 175734), (1502, 171054), (1548, 165971), (1677, 153204), (1989, 129172), (2193, 117156), (2236, 114903), (2253, 114036), (2652, 96879), (2924, 87867), (3004, 85527), (3354, 76602), (3978, 64586), (4386, 58578), (4506, 57018), (5031, 51068), (6579, 39052), (6708, 38301), (6759, 38012), (7956, 32293), (8772, 29289), (9012, 28509), (9503, 27036), (9763, 26316), (10062, 25534), (12767, 20124), (13158, 19526), (13518, 19006)]