78405730

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{4339}}^1$

素因数の和:4498

約数の個数: 32

約数和(自身を含む): 153115200

約数和(自身を除く): 74709470

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 139, 278, 695, 1390, 1807, 3614, 4339, 8678, 9035, 18070, 21695, 43390, 56407, 112814, 282035, 564070, 603121, 1206242, 3015605, 6031210, 7840573, 15681146, 39202865, 78405730]

約数ペア:

[(1, 78405730), (2, 39202865), (5, 15681146), (10, 7840573), (13, 6031210), (26, 3015605), (65, 1206242), (130, 603121), (139, 564070), (278, 282035), (695, 112814), (1390, 56407), (1807, 43390), (3614, 21695), (4339, 18070), (8678, 9035)]