778999968

素因数分解:

$2^5\times 3^2\times {\mathrm{997}}^1\times {\mathrm{2713}}^1$

素因数の和:3726

約数の個数: 72

約数和(自身を含む): 2218320468

約数和(自身を除く): 1439320500

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 288, 997, 1994, 2713, 2991, 3988, 5426, 5982, 7976, 8139, 8973, 10852, 11964, 15952, 16278, 17946, 21704, 23928, 24417, 31904, 32556, 35892, 43408, 47856, 48834, 65112, 71784, 86816, 95712, 97668, 130224, 143568, 195336, 260448, 287136, 390672, 781344, 2704861, 5409722, 8114583, 10819444, 16229166, 21638888, 24343749, 32458332, 43277776, 48687498, 64916664, 86555552, 97374996, 129833328, 194749992, 259666656, 389499984, 778999968]

約数ペア:

[(1, 778999968), (2, 389499984), (3, 259666656), (4, 194749992), (6, 129833328), (8, 97374996), (9, 86555552), (12, 64916664), (16, 48687498), (18, 43277776), (24, 32458332), (32, 24343749), (36, 21638888), (48, 16229166), (72, 10819444), (96, 8114583), (144, 5409722), (288, 2704861), (997, 781344), (1994, 390672), (2713, 287136), (2991, 260448), (3988, 195336), (5426, 143568), (5982, 130224), (7976, 97668), (8139, 95712), (8973, 86816), (10852, 71784), (11964, 65112), (15952, 48834), (16278, 47856), (17946, 43408), (21704, 35892), (23928, 32556), (24417, 31904)]