628019278

素因数分解:

$2^1\times {\mathrm{23}}^2\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{263}}^1$

素因数の和:409

約数の個数: 48

約数和(自身を含む): 1031871456

約数和(自身を除く): 403852178

約数列:

[1, 2, 23, 37, 46, 61, 74, 122, 263, 526, 529, 851, 1058, 1403, 1702, 2257, 2806, 4514, 6049, 9731, 12098, 16043, 19462, 19573, 32086, 32269, 39146, 51911, 64538, 103822, 139127, 223813, 278254, 368989, 447626, 593591, 737978, 1187182, 1193953, 2387906, 5147699, 8486747, 10295398, 13652593, 16973494, 27305186, 314009639, 628019278]

約数ペア:

[(1, 628019278), (2, 314009639), (23, 27305186), (37, 16973494), (46, 13652593), (61, 10295398), (74, 8486747), (122, 5147699), (263, 2387906), (526, 1193953), (529, 1187182), (851, 737978), (1058, 593591), (1403, 447626), (1702, 368989), (2257, 278254), (2806, 223813), (4514, 139127), (6049, 103822), (9731, 64538), (12098, 51911), (16043, 39146), (19462, 32269), (19573, 32086)]