156551294

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{157}}^1\times {\mathrm{409}}^1$

素因数の和:644

約数の個数: 32

約数和(自身を含む): 251864640

約数和(自身を除く): 95313346

約数列:

[1, 2, 23, 46, 53, 106, 157, 314, 409, 818, 1219, 2438, 3611, 7222, 8321, 9407, 16642, 18814, 21677, 43354, 64213, 128426, 191383, 382766, 498571, 997142, 1476899, 2953798, 3403289, 6806578, 78275647, 156551294]

約数ペア:

[(1, 156551294), (2, 78275647), (23, 6806578), (46, 3403289), (53, 2953798), (106, 1476899), (157, 997142), (314, 498571), (409, 382766), (818, 191383), (1219, 128426), (2438, 64213), (3611, 43354), (7222, 21677), (8321, 18814), (9407, 16642)]