28766500128

素因数分解:

$2^5\times 3^2\times {\mathrm{821}}^1\times {\mathrm{121661}}^1$

素因数の和:122498

約数の個数: 72

約数和(自身を含む): 81905048316

約数和(自身を除く): 53138548188

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 288, 821, 1642, 2463, 3284, 4926, 6568, 7389, 9852, 13136, 14778, 19704, 26272, 29556, 39408, 59112, 78816, 118224, 121661, 236448, 243322, 364983, 486644, 729966, 973288, 1094949, 1459932, 1946576, 2189898, 2919864, 3893152, 4379796, 5839728, 8759592, 11679456, 17519184, 35038368, 99883681, 199767362, 299651043, 399534724, 599302086, 799069448, 898953129, 1198604172, 1598138896, 1797906258, 2397208344, 3196277792, 3595812516, 4794416688, 7191625032, 9588833376, 14383250064, 28766500128]

約数ペア:

[(1, 28766500128), (2, 14383250064), (3, 9588833376), (4, 7191625032), (6, 4794416688), (8, 3595812516), (9, 3196277792), (12, 2397208344), (16, 1797906258), (18, 1598138896), (24, 1198604172), (32, 898953129), (36, 799069448), (48, 599302086), (72, 399534724), (96, 299651043), (144, 199767362), (288, 99883681), (821, 35038368), (1642, 17519184), (2463, 11679456), (3284, 8759592), (4926, 5839728), (6568, 4379796), (7389, 3893152), (9852, 2919864), (13136, 2189898), (14778, 1946576), (19704, 1459932), (26272, 1094949), (29556, 973288), (39408, 729966), (59112, 486644), (78816, 364983), (118224, 243322), (121661, 236448)]