278312556548

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{727}}^1\times {\mathrm{9011}}^1$

素因数の和:9817

約数の個数: 96

約数和(自身を含む): 565797872640

約数和(自身を除く): 287485316092

約数列:

[1, 2, 4, 13, 19, 26, 38, 43, 52, 76, 86, 172, 247, 494, 559, 727, 817, 988, 1118, 1454, 1634, 2236, 2908, 3268, 9011, 9451, 10621, 13813, 18022, 18902, 21242, 27626, 31261, 36044, 37804, 42484, 55252, 62522, 117143, 125044, 171209, 179569, 234286, 342418, 359138, 387473, 406393, 468572, 593959, 684836, 718276, 774946, 812786, 1187918, 1549892, 1625572, 2225717, 2375836, 4451434, 5037149, 6550997, 7361987, 7721467, 8902868, 10074298, 13101994, 14723974, 15442934, 20148596, 26203988, 29447948, 30885868, 85162961, 95705831, 124468943, 170325922, 191411662, 248937886, 281692871, 340651844, 382823324, 497875772, 563385742, 1126771484, 1618096259, 3236192518, 3662007323, 5352164549, 6472385036, 7324014646, 10704329098, 14648029292, 21408658196, 69578139137, 139156278274, 278312556548]

約数ペア:

[(1, 278312556548), (2, 139156278274), (4, 69578139137), (13, 21408658196), (19, 14648029292), (26, 10704329098), (38, 7324014646), (43, 6472385036), (52, 5352164549), (76, 3662007323), (86, 3236192518), (172, 1618096259), (247, 1126771484), (494, 563385742), (559, 497875772), (727, 382823324), (817, 340651844), (988, 281692871), (1118, 248937886), (1454, 191411662), (1634, 170325922), (2236, 124468943), (2908, 95705831), (3268, 85162961), (9011, 30885868), (9451, 29447948), (10621, 26203988), (13813, 20148596), (18022, 15442934), (18902, 14723974), (21242, 13101994), (27626, 10074298), (31261, 8902868), (36044, 7721467), (37804, 7361987), (42484, 6550997), (55252, 5037149), (62522, 4451434), (117143, 2375836), (125044, 2225717), (171209, 1625572), (179569, 1549892), (234286, 1187918), (342418, 812786), (359138, 774946), (387473, 718276), (406393, 684836), (468572, 593959)]