1388593486

素因数分解:

$2^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{89}}^1\times {\mathrm{463}}^1$

素因数の和:673

約数の個数: 64

約数和(自身を含む): 2525644800

約数和(自身を除く): 1137051314

約数列:

[1, 2, 7, 14, 29, 58, 83, 89, 166, 178, 203, 406, 463, 581, 623, 926, 1162, 1246, 2407, 2581, 3241, 4814, 5162, 6482, 7387, 13427, 14774, 16849, 18067, 26854, 33698, 36134, 38429, 41207, 51709, 76858, 82414, 93989, 103418, 187978, 214223, 269003, 288449, 428446, 538006, 576898, 1114441, 1195003, 1499561, 2228882, 2390006, 2999122, 3420181, 6840362, 7801087, 8365021, 15602174, 16730042, 23941267, 47882534, 99185249, 198370498, 694296743, 1388593486]

約数ペア:

[(1, 1388593486), (2, 694296743), (7, 198370498), (14, 99185249), (29, 47882534), (58, 23941267), (83, 16730042), (89, 15602174), (166, 8365021), (178, 7801087), (203, 6840362), (406, 3420181), (463, 2999122), (581, 2390006), (623, 2228882), (926, 1499561), (1162, 1195003), (1246, 1114441), (2407, 576898), (2581, 538006), (3241, 428446), (4814, 288449), (5162, 269003), (6482, 214223), (7387, 187978), (13427, 103418), (14774, 93989), (16849, 82414), (18067, 76858), (26854, 51709), (33698, 41207), (36134, 38429)]