28776308

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{31}}^1\times {\mathrm{73}}^1$

素因数の和:153

約数の個数: 72

約数和(自身を含む): 61065984

約数和(自身を除く): 32289676

約数列:

[1, 2, 4, 11, 17, 22, 31, 34, 44, 62, 68, 73, 124, 146, 187, 289, 292, 341, 374, 527, 578, 682, 748, 803, 1054, 1156, 1241, 1364, 1606, 2108, 2263, 2482, 3179, 3212, 4526, 4964, 5797, 6358, 8959, 9052, 11594, 12716, 13651, 17918, 21097, 23188, 24893, 27302, 35836, 38471, 42194, 49786, 54604, 76942, 84388, 98549, 99572, 153884, 197098, 232067, 394196, 423181, 464134, 654007, 846362, 928268, 1308014, 1692724, 2616028, 7194077, 14388154, 28776308]

約数ペア:

[(1, 28776308), (2, 14388154), (4, 7194077), (11, 2616028), (17, 1692724), (22, 1308014), (31, 928268), (34, 846362), (44, 654007), (62, 464134), (68, 423181), (73, 394196), (124, 232067), (146, 197098), (187, 153884), (289, 99572), (292, 98549), (341, 84388), (374, 76942), (527, 54604), (578, 49786), (682, 42194), (748, 38471), (803, 35836), (1054, 27302), (1156, 24893), (1241, 23188), (1364, 21097), (1606, 17918), (2108, 13651), (2263, 12716), (2482, 11594), (3179, 9052), (3212, 8959), (4526, 6358), (4964, 5797)]