28705872

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{179}}^1\times {\mathrm{257}}^1$

素因数の和:460

約数の個数: 80

約数和(自身を含む): 80619840

約数和(自身を除く): 51913968

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 156, 179, 208, 257, 312, 358, 514, 537, 624, 716, 771, 1028, 1074, 1432, 1542, 2056, 2148, 2327, 2864, 3084, 3341, 4112, 4296, 4654, 6168, 6682, 6981, 8592, 9308, 10023, 12336, 13364, 13962, 18616, 20046, 26728, 27924, 37232, 40092, 46003, 53456, 55848, 80184, 92006, 111696, 138009, 160368, 184012, 276018, 368024, 552036, 598039, 736048, 1104072, 1196078, 1794117, 2208144, 2392156, 3588234, 4784312, 7176468, 9568624, 14352936, 28705872]

約数ペア:

[(1, 28705872), (2, 14352936), (3, 9568624), (4, 7176468), (6, 4784312), (8, 3588234), (12, 2392156), (13, 2208144), (16, 1794117), (24, 1196078), (26, 1104072), (39, 736048), (48, 598039), (52, 552036), (78, 368024), (104, 276018), (156, 184012), (179, 160368), (208, 138009), (257, 111696), (312, 92006), (358, 80184), (514, 55848), (537, 53456), (624, 46003), (716, 40092), (771, 37232), (1028, 27924), (1074, 26728), (1432, 20046), (1542, 18616), (2056, 13962), (2148, 13364), (2327, 12336), (2864, 10023), (3084, 9308), (3341, 8592), (4112, 6981), (4296, 6682), (4654, 6168)]