387903992

素因数分解:

$2^3\times 7^2\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{233}}^1$

素因数の和:421

約数の個数: 96

約数和(自身を含む): 883509120

約数和(自身を除く): 495605128

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 49, 56, 62, 98, 124, 137, 196, 217, 233, 248, 274, 392, 434, 466, 548, 868, 932, 959, 1096, 1519, 1631, 1736, 1864, 1918, 3038, 3262, 3836, 4247, 6076, 6524, 6713, 7223, 7672, 8494, 11417, 12152, 13048, 13426, 14446, 16988, 22834, 26852, 28892, 29729, 31921, 33976, 45668, 50561, 53704, 57784, 59458, 63842, 91336, 101122, 118916, 127684, 202244, 208103, 223447, 237832, 255368, 353927, 404488, 416206, 446894, 707854, 832412, 893788, 989551, 1415708, 1564129, 1664824, 1787576, 1979102, 2831416, 3128258, 3958204, 6256516, 6926857, 7916408, 12513032, 13853714, 27707428, 48487999, 55414856, 96975998, 193951996, 387903992]

約数ペア:

[(1, 387903992), (2, 193951996), (4, 96975998), (7, 55414856), (8, 48487999), (14, 27707428), (28, 13853714), (31, 12513032), (49, 7916408), (56, 6926857), (62, 6256516), (98, 3958204), (124, 3128258), (137, 2831416), (196, 1979102), (217, 1787576), (233, 1664824), (248, 1564129), (274, 1415708), (392, 989551), (434, 893788), (466, 832412), (548, 707854), (868, 446894), (932, 416206), (959, 404488), (1096, 353927), (1519, 255368), (1631, 237832), (1736, 223447), (1864, 208103), (1918, 202244), (3038, 127684), (3262, 118916), (3836, 101122), (4247, 91336), (6076, 63842), (6524, 59458), (6713, 57784), (7223, 53704), (7672, 50561), (8494, 45668), (11417, 33976), (12152, 31921), (13048, 29729), (13426, 28892), (14446, 26852), (16988, 22834)]