156900784

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{8461}}^1$

素因数の和:8549

約数の個数: 40

約数和(自身を含む): 325279280

約数和(自身を除く): 168378496

約数列:

[1, 2, 4, 8, 16, 19, 38, 61, 76, 122, 152, 244, 304, 488, 976, 1159, 2318, 4636, 8461, 9272, 16922, 18544, 33844, 67688, 135376, 160759, 321518, 516121, 643036, 1032242, 1286072, 2064484, 2572144, 4128968, 8257936, 9806299, 19612598, 39225196, 78450392, 156900784]

約数ペア:

[(1, 156900784), (2, 78450392), (4, 39225196), (8, 19612598), (16, 9806299), (19, 8257936), (38, 4128968), (61, 2572144), (76, 2064484), (122, 1286072), (152, 1032242), (244, 643036), (304, 516121), (488, 321518), (976, 160759), (1159, 135376), (2318, 67688), (4636, 33844), (8461, 18544), (9272, 16922)]