745843720654

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{643}}^1\times {\mathrm{240353}}^1$

素因数の和:241144

約数の個数: 32

約数和(自身を含む): 1188771655680

約数和(自身を除く): 442927935026

約数列:

[1, 2, 19, 38, 127, 254, 643, 1286, 2413, 4826, 12217, 24434, 81661, 163322, 240353, 480706, 1551559, 3103118, 4566707, 9133414, 30524831, 61049662, 154546979, 309093958, 579971789, 1159943578, 2936392601, 5872785202, 19627466333, 39254932666, 372921860327, 745843720654]

約数ペア:

[(1, 745843720654), (2, 372921860327), (19, 39254932666), (38, 19627466333), (127, 5872785202), (254, 2936392601), (643, 1159943578), (1286, 579971789), (2413, 309093958), (4826, 154546979), (12217, 61049662), (24434, 30524831), (81661, 9133414), (163322, 4566707), (240353, 3103118), (480706, 1551559)]