398728204

素因数分解:

$2^2\times 7^1\times {\mathrm{101}}^1\times {\mathrm{277}}^1\times {\mathrm{509}}^1$

素因数の和:898

約数の個数: 48

約数和(自身を含む): 809847360

約数和(自身を除く): 411119156

約数列:

[1, 2, 4, 7, 14, 28, 101, 202, 277, 404, 509, 554, 707, 1018, 1108, 1414, 1939, 2036, 2828, 3563, 3878, 7126, 7756, 14252, 27977, 51409, 55954, 102818, 111908, 140993, 195839, 205636, 281986, 359863, 391678, 563972, 719726, 783356, 986951, 1439452, 1973902, 3947804, 14240293, 28480586, 56961172, 99682051, 199364102, 398728204]

約数ペア:

[(1, 398728204), (2, 199364102), (4, 99682051), (7, 56961172), (14, 28480586), (28, 14240293), (101, 3947804), (202, 1973902), (277, 1439452), (404, 986951), (509, 783356), (554, 719726), (707, 563972), (1018, 391678), (1108, 359863), (1414, 281986), (1939, 205636), (2036, 195839), (2828, 140993), (3563, 111908), (3878, 102818), (7126, 55954), (7756, 51409), (14252, 27977)]