1440376658

素因数分解:

$2^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{139}}^1\times {\mathrm{2579}}^1$

素因数の和:2775

約数の個数: 48

約数和(自身を含む): 2594138400

約数和(自身を除く): 1153761742

約数列:

[1, 2, 7, 14, 41, 49, 82, 98, 139, 278, 287, 574, 973, 1946, 2009, 2579, 4018, 5158, 5699, 6811, 11398, 13622, 18053, 36106, 39893, 79786, 105739, 126371, 211478, 252742, 279251, 358481, 558502, 716962, 740173, 1480346, 2509367, 5018734, 5181211, 10362422, 14697721, 17565569, 29395442, 35131138, 102884047, 205768094, 720188329, 1440376658]

約数ペア:

[(1, 1440376658), (2, 720188329), (7, 205768094), (14, 102884047), (41, 35131138), (49, 29395442), (82, 17565569), (98, 14697721), (139, 10362422), (278, 5181211), (287, 5018734), (574, 2509367), (973, 1480346), (1946, 740173), (2009, 716962), (2579, 558502), (4018, 358481), (5158, 279251), (5699, 252742), (6811, 211478), (11398, 126371), (13622, 105739), (18053, 79786), (36106, 39893)]