253943668

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{191}}^1$

素因数の和:325

約数の個数: 72

約数和(自身を含む): 510515712

約数和(自身を除く): 256572044

約数列:

[1, 2, 4, 11, 22, 41, 44, 67, 82, 121, 134, 164, 191, 242, 268, 382, 451, 484, 737, 764, 902, 1474, 1804, 2101, 2747, 2948, 4202, 4961, 5494, 7831, 8107, 8404, 9922, 10988, 12797, 15662, 16214, 19844, 23111, 25594, 30217, 31324, 32428, 46222, 51188, 60434, 86141, 92444, 120868, 140767, 172282, 281534, 332387, 344564, 524677, 563068, 664774, 947551, 1049354, 1329548, 1548437, 1895102, 2098708, 3096874, 3790204, 5771447, 6193748, 11542894, 23085788, 63485917, 126971834, 253943668]

約数ペア:

[(1, 253943668), (2, 126971834), (4, 63485917), (11, 23085788), (22, 11542894), (41, 6193748), (44, 5771447), (67, 3790204), (82, 3096874), (121, 2098708), (134, 1895102), (164, 1548437), (191, 1329548), (242, 1049354), (268, 947551), (382, 664774), (451, 563068), (484, 524677), (737, 344564), (764, 332387), (902, 281534), (1474, 172282), (1804, 140767), (2101, 120868), (2747, 92444), (2948, 86141), (4202, 60434), (4961, 51188), (5494, 46222), (7831, 32428), (8107, 31324), (8404, 30217), (9922, 25594), (10988, 23111), (12797, 19844), (15662, 16214)]