261748344

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{1439}}^1$

素因数の和:1525

約数の個数: 128

約数和(自身を含む): 783820800

約数和(自身を除く): 522072456

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 13, 22, 24, 26, 33, 39, 44, 52, 53, 66, 78, 88, 104, 106, 132, 143, 156, 159, 212, 264, 286, 312, 318, 424, 429, 572, 583, 636, 689, 858, 1144, 1166, 1272, 1378, 1439, 1716, 1749, 2067, 2332, 2756, 2878, 3432, 3498, 4134, 4317, 4664, 5512, 5756, 6996, 7579, 8268, 8634, 11512, 13992, 15158, 15829, 16536, 17268, 18707, 22737, 30316, 31658, 34536, 37414, 45474, 47487, 56121, 60632, 63316, 74828, 76267, 90948, 94974, 112242, 126632, 149656, 152534, 181896, 189948, 205777, 224484, 228801, 305068, 379896, 411554, 448968, 457602, 610136, 617331, 823108, 838937, 915204, 991471, 1234662, 1646216, 1677874, 1830408, 1982942, 2469324, 2516811, 2974413, 3355748, 3965884, 4938648, 5033622, 5948826, 6711496, 7931768, 10067244, 10906181, 11897652, 20134488, 21812362, 23795304, 32718543, 43624724, 65437086, 87249448, 130874172, 261748344]

約数ペア:

[(1, 261748344), (2, 130874172), (3, 87249448), (4, 65437086), (6, 43624724), (8, 32718543), (11, 23795304), (12, 21812362), (13, 20134488), (22, 11897652), (24, 10906181), (26, 10067244), (33, 7931768), (39, 6711496), (44, 5948826), (52, 5033622), (53, 4938648), (66, 3965884), (78, 3355748), (88, 2974413), (104, 2516811), (106, 2469324), (132, 1982942), (143, 1830408), (156, 1677874), (159, 1646216), (212, 1234662), (264, 991471), (286, 915204), (312, 838937), (318, 823108), (424, 617331), (429, 610136), (572, 457602), (583, 448968), (636, 411554), (689, 379896), (858, 305068), (1144, 228801), (1166, 224484), (1272, 205777), (1378, 189948), (1439, 181896), (1716, 152534), (1749, 149656), (2067, 126632), (2332, 112242), (2756, 94974), (2878, 90948), (3432, 76267), (3498, 74828), (4134, 63316), (4317, 60632), (4664, 56121), (5512, 47487), (5756, 45474), (6996, 37414), (7579, 34536), (8268, 31658), (8634, 30316), (11512, 22737), (13992, 18707), (15158, 17268), (15829, 16536)]