78819516

素因数分解:

$2^2\times 3^2\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{863}}^1$

素因数の和:975

約数の個数: 72

約数和(自身を含む): 207567360

約数和(自身を除く): 128747844

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 43, 59, 86, 118, 129, 172, 177, 236, 258, 354, 387, 516, 531, 708, 774, 863, 1062, 1548, 1726, 2124, 2537, 2589, 3452, 5074, 5178, 7611, 7767, 10148, 10356, 15222, 15534, 22833, 30444, 31068, 37109, 45666, 50917, 74218, 91332, 101834, 111327, 148436, 152751, 203668, 222654, 305502, 333981, 445308, 458253, 611004, 667962, 916506, 1335924, 1833012, 2189431, 4378862, 6568293, 8757724, 13136586, 19704879, 26273172, 39409758, 78819516]

約数ペア:

[(1, 78819516), (2, 39409758), (3, 26273172), (4, 19704879), (6, 13136586), (9, 8757724), (12, 6568293), (18, 4378862), (36, 2189431), (43, 1833012), (59, 1335924), (86, 916506), (118, 667962), (129, 611004), (172, 458253), (177, 445308), (236, 333981), (258, 305502), (354, 222654), (387, 203668), (516, 152751), (531, 148436), (708, 111327), (774, 101834), (863, 91332), (1062, 74218), (1548, 50917), (1726, 45666), (2124, 37109), (2537, 31068), (2589, 30444), (3452, 22833), (5074, 15534), (5178, 15222), (7611, 10356), (7767, 10148)]