678787144

素因数分解:

$2^3\times 7^1\times {\mathrm{41}}^1\times {\mathrm{229}}^1\times {\mathrm{1291}}^1$

素因数の和:1574

約数の個数: 64

約数和(自身を含む): 1497686400

約数和(自身を除く): 818899256

約数列:

[1, 2, 4, 7, 8, 14, 28, 41, 56, 82, 164, 229, 287, 328, 458, 574, 916, 1148, 1291, 1603, 1832, 2296, 2582, 3206, 5164, 6412, 9037, 9389, 10328, 12824, 18074, 18778, 36148, 37556, 52931, 65723, 72296, 75112, 105862, 131446, 211724, 262892, 295639, 370517, 423448, 525784, 591278, 741034, 1182556, 1482068, 2069473, 2365112, 2964136, 4138946, 8277892, 12121199, 16555784, 24242398, 48484796, 84848393, 96969592, 169696786, 339393572, 678787144]

約数ペア:

[(1, 678787144), (2, 339393572), (4, 169696786), (7, 96969592), (8, 84848393), (14, 48484796), (28, 24242398), (41, 16555784), (56, 12121199), (82, 8277892), (164, 4138946), (229, 2964136), (287, 2365112), (328, 2069473), (458, 1482068), (574, 1182556), (916, 741034), (1148, 591278), (1291, 525784), (1603, 423448), (1832, 370517), (2296, 295639), (2582, 262892), (3206, 211724), (5164, 131446), (6412, 105862), (9037, 75112), (9389, 72296), (10328, 65723), (12824, 52931), (18074, 37556), (18778, 36148)]