28716948

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1427}}^1$

素因数の和:1493

約数の個数: 72

約数和(自身を含む): 80047968

約数和(自身を除く): 51331020

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 43, 52, 78, 86, 117, 129, 156, 172, 234, 258, 387, 468, 516, 559, 774, 1118, 1427, 1548, 1677, 2236, 2854, 3354, 4281, 5031, 5708, 6708, 8562, 10062, 12843, 17124, 18551, 20124, 25686, 37102, 51372, 55653, 61361, 74204, 111306, 122722, 166959, 184083, 222612, 245444, 333918, 368166, 552249, 667836, 736332, 797693, 1104498, 1595386, 2208996, 2393079, 3190772, 4786158, 7179237, 9572316, 14358474, 28716948]

約数ペア:

[(1, 28716948), (2, 14358474), (3, 9572316), (4, 7179237), (6, 4786158), (9, 3190772), (12, 2393079), (13, 2208996), (18, 1595386), (26, 1104498), (36, 797693), (39, 736332), (43, 667836), (52, 552249), (78, 368166), (86, 333918), (117, 245444), (129, 222612), (156, 184083), (172, 166959), (234, 122722), (258, 111306), (387, 74204), (468, 61361), (516, 55653), (559, 51372), (774, 37102), (1118, 25686), (1427, 20124), (1548, 18551), (1677, 17124), (2236, 12843), (2854, 10062), (3354, 8562), (4281, 6708), (5031, 5708)]