40807396

素因数分解:

$2^2\times 7^5\times {\mathrm{607}}^1$

素因数の和:646

約数の個数: 36

約数和(自身を含む): 83451648

約数和(自身を除く): 42644252

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 343, 607, 686, 1214, 1372, 2401, 2428, 4249, 4802, 8498, 9604, 16807, 16996, 29743, 33614, 59486, 67228, 118972, 208201, 416402, 832804, 1457407, 2914814, 5829628, 10201849, 20403698, 40807396]

約数ペア:

[(1, 40807396), (2, 20403698), (4, 10201849), (7, 5829628), (14, 2914814), (28, 1457407), (49, 832804), (98, 416402), (196, 208201), (343, 118972), (607, 67228), (686, 59486), (1214, 33614), (1372, 29743), (2401, 16996), (2428, 16807), (4249, 9604), (4802, 8498)]