291215496

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{1601}}^1$

素因数の和:1687

約数の個数: 128

約数和(自身を含む): 872000640

約数和(自身を除く): 580785144

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, 1601, 1716, 1749, 2067, 2332, 2756, 3202, 3432, 3498, 4134, 4664, 4803, 5512, 6404, 6996, 7579, 8268, 9606, 12808, 13992, 15158, 16536, 17611, 19212, 20813, 22737, 30316, 35222, 38424, 41626, 45474, 52833, 60632, 62439, 70444, 83252, 84853, 90948, 105666, 124878, 140888, 166504, 169706, 181896, 211332, 228943, 249756, 254559, 339412, 422664, 457886, 499512, 509118, 678824, 686829, 915772, 933383, 1018236, 1103089, 1373658, 1831544, 1866766, 2036472, 2206178, 2747316, 2800149, 3309267, 3733532, 4412356, 5494632, 5600298, 6618534, 7467064, 8824712, 11200596, 12133979, 13237068, 22401192, 24267958, 26474136, 36401937, 48535916, 72803874, 97071832, 145607748, 291215496]

約数ペア:

[(1, 291215496), (2, 145607748), (3, 97071832), (4, 72803874), (6, 48535916), (8, 36401937), (11, 26474136), (12, 24267958), (13, 22401192), (22, 13237068), (24, 12133979), (26, 11200596), (33, 8824712), (39, 7467064), (44, 6618534), (52, 5600298), (53, 5494632), (66, 4412356), (78, 3733532), (88, 3309267), (104, 2800149), (106, 2747316), (132, 2206178), (143, 2036472), (156, 1866766), (159, 1831544), (212, 1373658), (264, 1103089), (286, 1018236), (312, 933383), (318, 915772), (424, 686829), (429, 678824), (572, 509118), (583, 499512), (636, 457886), (689, 422664), (858, 339412), (1144, 254559), (1166, 249756), (1272, 228943), (1378, 211332), (1601, 181896), (1716, 169706), (1749, 166504), (2067, 140888), (2332, 124878), (2756, 105666), (3202, 90948), (3432, 84853), (3498, 83252), (4134, 70444), (4664, 62439), (4803, 60632), (5512, 52833), (6404, 45474), (6996, 41626), (7579, 38424), (8268, 35222), (9606, 30316), (12808, 22737), (13992, 20813), (15158, 19212), (16536, 17611)]