388639498

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{1279}}^1$

素因数の和:1367

約数の個数: 48

約数和(自身を含む): 674611200

約数和(自身を除く): 285971702

約数列:

[1, 2, 13, 26, 29, 31, 58, 62, 169, 338, 377, 403, 754, 806, 899, 1279, 1798, 2558, 4901, 5239, 9802, 10478, 11687, 16627, 23374, 33254, 37091, 39649, 74182, 79298, 151931, 216151, 303862, 432302, 482183, 515437, 964366, 1030874, 1149821, 2299642, 6268379, 6700681, 12536758, 13401362, 14947673, 29895346, 194319749, 388639498]

約数ペア:

[(1, 388639498), (2, 194319749), (13, 29895346), (26, 14947673), (29, 13401362), (31, 12536758), (58, 6700681), (62, 6268379), (169, 2299642), (338, 1149821), (377, 1030874), (403, 964366), (754, 515437), (806, 482183), (899, 432302), (1279, 303862), (1798, 216151), (2558, 151931), (4901, 79298), (5239, 74182), (9802, 39649), (10478, 37091), (11687, 33254), (16627, 23374)]