28396836

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{1291}}^1$

素因数の和:1361

約数の個数: 72

約数和(自身を含む): 79008384

約数和(自身を除く): 50611548

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 47, 52, 78, 94, 117, 141, 156, 188, 234, 282, 423, 468, 564, 611, 846, 1222, 1291, 1692, 1833, 2444, 2582, 3666, 3873, 5164, 5499, 7332, 7746, 10998, 11619, 15492, 16783, 21996, 23238, 33566, 46476, 50349, 60677, 67132, 100698, 121354, 151047, 182031, 201396, 242708, 302094, 364062, 546093, 604188, 728124, 788801, 1092186, 1577602, 2184372, 2366403, 3155204, 4732806, 7099209, 9465612, 14198418, 28396836]

約数ペア:

[(1, 28396836), (2, 14198418), (3, 9465612), (4, 7099209), (6, 4732806), (9, 3155204), (12, 2366403), (13, 2184372), (18, 1577602), (26, 1092186), (36, 788801), (39, 728124), (47, 604188), (52, 546093), (78, 364062), (94, 302094), (117, 242708), (141, 201396), (156, 182031), (188, 151047), (234, 121354), (282, 100698), (423, 67132), (468, 60677), (564, 50349), (611, 46476), (846, 33566), (1222, 23238), (1291, 21996), (1692, 16783), (1833, 15492), (2444, 11619), (2582, 10998), (3666, 7746), (3873, 7332), (5164, 5499)]