66637870

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{2963}}^1$

素因数の和:3156

約数の個数: 32

約数和(自身を含む): 129965472

約数和(自身を除く): 63327602

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 173, 346, 865, 1730, 2249, 2963, 4498, 5926, 11245, 14815, 22490, 29630, 38519, 77038, 192595, 385190, 512599, 1025198, 2562995, 5125990, 6663787, 13327574, 33318935, 66637870]

約数ペア:

[(1, 66637870), (2, 33318935), (5, 13327574), (10, 6663787), (13, 5125990), (26, 2562995), (65, 1025198), (130, 512599), (173, 385190), (346, 192595), (865, 77038), (1730, 38519), (2249, 29630), (2963, 22490), (4498, 14815), (5926, 11245)]