397738616

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{251}}^1\times {\mathrm{1637}}^1$

素因数の和:1916

約数の個数: 48

約数和(自身を含む): 823488120

約数和(自身を除く): 425749504

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 121, 242, 251, 484, 502, 968, 1004, 1637, 2008, 2761, 3274, 5522, 6548, 11044, 13096, 18007, 22088, 30371, 36014, 60742, 72028, 121484, 144056, 198077, 242968, 396154, 410887, 792308, 821774, 1584616, 1643548, 3287096, 4519757, 9039514, 18079028, 36158056, 49717327, 99434654, 198869308, 397738616]

約数ペア:

[(1, 397738616), (2, 198869308), (4, 99434654), (8, 49717327), (11, 36158056), (22, 18079028), (44, 9039514), (88, 4519757), (121, 3287096), (242, 1643548), (251, 1584616), (484, 821774), (502, 792308), (968, 410887), (1004, 396154), (1637, 242968), (2008, 198077), (2761, 144056), (3274, 121484), (5522, 72028), (6548, 60742), (11044, 36014), (13096, 30371), (18007, 22088)]