28881944

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{409}}^1$

素因数の和:532

約数の個数: 64

約数和(自身を含む): 67502400

約数和(自身を除く): 38620456

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 97, 104, 182, 194, 364, 388, 409, 679, 728, 776, 818, 1261, 1358, 1636, 2522, 2716, 2863, 3272, 5044, 5317, 5432, 5726, 8827, 10088, 10634, 11452, 17654, 21268, 22904, 35308, 37219, 39673, 42536, 70616, 74438, 79346, 148876, 158692, 277711, 297752, 317384, 515749, 555422, 1031498, 1110844, 2062996, 2221688, 3610243, 4125992, 7220486, 14440972, 28881944]

約数ペア:

[(1, 28881944), (2, 14440972), (4, 7220486), (7, 4125992), (8, 3610243), (13, 2221688), (14, 2062996), (26, 1110844), (28, 1031498), (52, 555422), (56, 515749), (91, 317384), (97, 297752), (104, 277711), (182, 158692), (194, 148876), (364, 79346), (388, 74438), (409, 70616), (679, 42536), (728, 39673), (776, 37219), (818, 35308), (1261, 22904), (1358, 21268), (1636, 17654), (2522, 11452), (2716, 10634), (2863, 10088), (3272, 8827), (5044, 5726), (5317, 5432)]