217569768

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{401}}^1$

素因数の和:507

約数の個数: 128

約数和(自身を含む): 615928320

約数和(自身を除く): 398358552

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 37, 39, 47, 52, 74, 78, 94, 104, 111, 141, 148, 156, 188, 222, 282, 296, 312, 376, 401, 444, 481, 564, 611, 802, 888, 962, 1128, 1203, 1222, 1443, 1604, 1739, 1833, 1924, 2406, 2444, 2886, 3208, 3478, 3666, 3848, 4812, 4888, 5213, 5217, 5772, 6956, 7332, 9624, 10426, 10434, 11544, 13912, 14664, 14837, 15639, 18847, 20852, 20868, 22607, 29674, 31278, 37694, 41704, 41736, 44511, 45214, 56541, 59348, 62556, 67821, 75388, 89022, 90428, 113082, 118696, 125112, 135642, 150776, 178044, 180856, 192881, 226164, 245011, 271284, 356088, 385762, 452328, 490022, 542568, 578643, 697339, 735033, 771524, 980044, 1157286, 1394678, 1470066, 1543048, 1960088, 2092017, 2314572, 2789356, 2940132, 4184034, 4629144, 5578712, 5880264, 8368068, 9065407, 16736136, 18130814, 27196221, 36261628, 54392442, 72523256, 108784884, 217569768]

約数ペア:

[(1, 217569768), (2, 108784884), (3, 72523256), (4, 54392442), (6, 36261628), (8, 27196221), (12, 18130814), (13, 16736136), (24, 9065407), (26, 8368068), (37, 5880264), (39, 5578712), (47, 4629144), (52, 4184034), (74, 2940132), (78, 2789356), (94, 2314572), (104, 2092017), (111, 1960088), (141, 1543048), (148, 1470066), (156, 1394678), (188, 1157286), (222, 980044), (282, 771524), (296, 735033), (312, 697339), (376, 578643), (401, 542568), (444, 490022), (481, 452328), (564, 385762), (611, 356088), (802, 271284), (888, 245011), (962, 226164), (1128, 192881), (1203, 180856), (1222, 178044), (1443, 150776), (1604, 135642), (1739, 125112), (1833, 118696), (1924, 113082), (2406, 90428), (2444, 89022), (2886, 75388), (3208, 67821), (3478, 62556), (3666, 59348), (3848, 56541), (4812, 45214), (4888, 44511), (5213, 41736), (5217, 41704), (5772, 37694), (6956, 31278), (7332, 29674), (9624, 22607), (10426, 20868), (10434, 20852), (11544, 18847), (13912, 15639), (14664, 14837)]