255581236

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{1307}}^1$

素因数の和:1444

約数の個数: 48

約数和(自身を含む): 492226560

約数和(自身を除く): 236645324

約数列:

[1, 2, 4, 19, 31, 38, 62, 76, 83, 124, 166, 332, 589, 1178, 1307, 1577, 2356, 2573, 2614, 3154, 5146, 5228, 6308, 10292, 24833, 40517, 48887, 49666, 81034, 97774, 99332, 108481, 162068, 195548, 216962, 433924, 769823, 1539646, 2061139, 3079292, 3362911, 4122278, 6725822, 8244556, 13451644, 63895309, 127790618, 255581236]

約数ペア:

[(1, 255581236), (2, 127790618), (4, 63895309), (19, 13451644), (31, 8244556), (38, 6725822), (62, 4122278), (76, 3362911), (83, 3079292), (124, 2061139), (166, 1539646), (332, 769823), (589, 433924), (1178, 216962), (1307, 195548), (1577, 162068), (2356, 108481), (2573, 99332), (2614, 97774), (3154, 81034), (5146, 49666), (5228, 48887), (6308, 40517), (10292, 24833)]