81087244

素因数分解:

$2^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{101}}^1\times {\mathrm{541}}^1$

素因数の和:706

約数の個数: 48

約数和(自身を含む): 167178816

約数和(自身を除く): 86091572

約数列:

[1, 2, 4, 7, 14, 28, 53, 101, 106, 202, 212, 371, 404, 541, 707, 742, 1082, 1414, 1484, 2164, 2828, 3787, 5353, 7574, 10706, 15148, 21412, 28673, 37471, 54641, 57346, 74942, 109282, 114692, 149884, 200711, 218564, 382487, 401422, 764974, 802844, 1529948, 2895973, 5791946, 11583892, 20271811, 40543622, 81087244]

約数ペア:

[(1, 81087244), (2, 40543622), (4, 20271811), (7, 11583892), (14, 5791946), (28, 2895973), (53, 1529948), (101, 802844), (106, 764974), (202, 401422), (212, 382487), (371, 218564), (404, 200711), (541, 149884), (707, 114692), (742, 109282), (1082, 74942), (1414, 57346), (1484, 54641), (2164, 37471), (2828, 28673), (3787, 21412), (5353, 15148), (7574, 10706)]