987553918

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{1093}}^1$

素因数の和:1217

約数の個数: 64

約数和(自身を含む): 1764403200

約数和(自身を除く): 776849282

約数列:

[1, 2, 13, 19, 26, 31, 38, 59, 62, 118, 247, 403, 494, 589, 767, 806, 1093, 1121, 1178, 1534, 1829, 2186, 2242, 3658, 7657, 14209, 14573, 15314, 20767, 23777, 28418, 29146, 33883, 34751, 41534, 47554, 64487, 67766, 69502, 128974, 269971, 440479, 451763, 539942, 643777, 838331, 880958, 903526, 1225253, 1287554, 1676662, 1999097, 2450506, 3998194, 8369101, 15928289, 16738202, 25988261, 31856578, 37982843, 51976522, 75965686, 493776959, 987553918]

約数ペア:

[(1, 987553918), (2, 493776959), (13, 75965686), (19, 51976522), (26, 37982843), (31, 31856578), (38, 25988261), (59, 16738202), (62, 15928289), (118, 8369101), (247, 3998194), (403, 2450506), (494, 1999097), (589, 1676662), (767, 1287554), (806, 1225253), (1093, 903526), (1121, 880958), (1178, 838331), (1534, 643777), (1829, 539942), (2186, 451763), (2242, 440479), (3658, 269971), (7657, 128974), (14209, 69502), (14573, 67766), (15314, 64487), (20767, 47554), (23777, 41534), (28418, 34751), (29146, 33883)]