389377328

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{173}}^1$

素因数の和:342

約数の個数: 80

約数和(自身を含む): 804698496

約数和(自身を除く): 415321168

約数列:

[1, 2, 4, 8, 16, 41, 47, 73, 82, 94, 146, 164, 173, 188, 292, 328, 346, 376, 584, 656, 692, 752, 1168, 1384, 1927, 2768, 2993, 3431, 3854, 5986, 6862, 7093, 7708, 8131, 11972, 12629, 13724, 14186, 15416, 16262, 23944, 25258, 27448, 28372, 30832, 32524, 47888, 50516, 54896, 56744, 65048, 101032, 113488, 130096, 140671, 202064, 281342, 333371, 517789, 562684, 593563, 666742, 1035578, 1125368, 1187126, 1333484, 2071156, 2250736, 2374252, 2666968, 4142312, 4748504, 5333936, 8284624, 9497008, 24336083, 48672166, 97344332, 194688664, 389377328]

約数ペア:

[(1, 389377328), (2, 194688664), (4, 97344332), (8, 48672166), (16, 24336083), (41, 9497008), (47, 8284624), (73, 5333936), (82, 4748504), (94, 4142312), (146, 2666968), (164, 2374252), (173, 2250736), (188, 2071156), (292, 1333484), (328, 1187126), (346, 1125368), (376, 1035578), (584, 666742), (656, 593563), (692, 562684), (752, 517789), (1168, 333371), (1384, 281342), (1927, 202064), (2768, 140671), (2993, 130096), (3431, 113488), (3854, 101032), (5986, 65048), (6862, 56744), (7093, 54896), (7708, 50516), (8131, 47888), (11972, 32524), (12629, 30832), (13724, 28372), (14186, 27448), (15416, 25258), (16262, 23944)]