31168930

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{12619}}^1$

素因数の和:12658

約数の個数: 32

約数和(自身を含む): 63604800

約数和(自身を除く): 32435870

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 65, 95, 130, 190, 247, 494, 1235, 2470, 12619, 25238, 63095, 126190, 164047, 239761, 328094, 479522, 820235, 1198805, 1640470, 2397610, 3116893, 6233786, 15584465, 31168930]

約数ペア:

[(1, 31168930), (2, 15584465), (5, 6233786), (10, 3116893), (13, 2397610), (19, 1640470), (26, 1198805), (38, 820235), (65, 479522), (95, 328094), (130, 239761), (190, 164047), (247, 126190), (494, 63095), (1235, 25238), (2470, 12619)]