78734628

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{397}}^1\times {\mathrm{787}}^1$

素因数の和:1201

約数の個数: 72

約数和(自身を含む): 228318272

約数和(自身を除く): 149583644

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 397, 787, 794, 1191, 1574, 1588, 2361, 2382, 2779, 3148, 3573, 4722, 4764, 5509, 5558, 7083, 7146, 8337, 9444, 11018, 11116, 14166, 14292, 16527, 16674, 22036, 25011, 28332, 33054, 33348, 49581, 50022, 66108, 99162, 100044, 198324, 312439, 624878, 937317, 1249756, 1874634, 2187073, 2811951, 3749268, 4374146, 5623902, 6561219, 8748292, 11247804, 13122438, 19683657, 26244876, 39367314, 78734628]

約数ペア:

[(1, 78734628), (2, 39367314), (3, 26244876), (4, 19683657), (6, 13122438), (7, 11247804), (9, 8748292), (12, 6561219), (14, 5623902), (18, 4374146), (21, 3749268), (28, 2811951), (36, 2187073), (42, 1874634), (63, 1249756), (84, 937317), (126, 624878), (252, 312439), (397, 198324), (787, 100044), (794, 99162), (1191, 66108), (1574, 50022), (1588, 49581), (2361, 33348), (2382, 33054), (2779, 28332), (3148, 25011), (3573, 22036), (4722, 16674), (4764, 16527), (5509, 14292), (5558, 14166), (7083, 11116), (7146, 11018), (8337, 9444)]