28756104

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1$

素因数の和:159

約数の個数: 128

約数和(自身を含む): 82736640

約数和(自身を除く): 53980536

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 37, 39, 47, 52, 53, 74, 78, 94, 104, 106, 111, 141, 148, 156, 159, 188, 212, 222, 282, 296, 312, 318, 376, 424, 444, 481, 564, 611, 636, 689, 888, 962, 1128, 1222, 1272, 1378, 1443, 1739, 1833, 1924, 1961, 2067, 2444, 2491, 2756, 2886, 3478, 3666, 3848, 3922, 4134, 4888, 4982, 5217, 5512, 5772, 5883, 6956, 7332, 7473, 7844, 8268, 9964, 10434, 11544, 11766, 13912, 14664, 14946, 15688, 16536, 19928, 20868, 22607, 23532, 25493, 29892, 32383, 41736, 45214, 47064, 50986, 59784, 64766, 67821, 76479, 90428, 92167, 97149, 101972, 129532, 135642, 152958, 180856, 184334, 194298, 203944, 259064, 271284, 276501, 305916, 368668, 388596, 542568, 553002, 611832, 737336, 777192, 1106004, 1198171, 2212008, 2396342, 3594513, 4792684, 7189026, 9585368, 14378052, 28756104]

約数ペア:

[(1, 28756104), (2, 14378052), (3, 9585368), (4, 7189026), (6, 4792684), (8, 3594513), (12, 2396342), (13, 2212008), (24, 1198171), (26, 1106004), (37, 777192), (39, 737336), (47, 611832), (52, 553002), (53, 542568), (74, 388596), (78, 368668), (94, 305916), (104, 276501), (106, 271284), (111, 259064), (141, 203944), (148, 194298), (156, 184334), (159, 180856), (188, 152958), (212, 135642), (222, 129532), (282, 101972), (296, 97149), (312, 92167), (318, 90428), (376, 76479), (424, 67821), (444, 64766), (481, 59784), (564, 50986), (611, 47064), (636, 45214), (689, 41736), (888, 32383), (962, 29892), (1128, 25493), (1222, 23532), (1272, 22607), (1378, 20868), (1443, 19928), (1739, 16536), (1833, 15688), (1924, 14946), (1961, 14664), (2067, 13912), (2444, 11766), (2491, 11544), (2756, 10434), (2886, 9964), (3478, 8268), (3666, 7844), (3848, 7473), (3922, 7332), (4134, 6956), (4888, 5883), (4982, 5772), (5217, 5512)]