71531572

素因数分解:

$2^2\times 7^2\times {\mathrm{163}}^1\times {\mathrm{2239}}^1$

素因数の和:2420

約数の個数: 36

約数和(自身を含む): 146576640

約数和(自身を除く): 75045068

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 163, 196, 326, 652, 1141, 2239, 2282, 4478, 4564, 7987, 8956, 15673, 15974, 31346, 31948, 62692, 109711, 219422, 364957, 438844, 729914, 1459828, 2554699, 5109398, 10218796, 17882893, 35765786, 71531572]

約数ペア:

[(1, 71531572), (2, 35765786), (4, 17882893), (7, 10218796), (14, 5109398), (28, 2554699), (49, 1459828), (98, 729914), (163, 438844), (196, 364957), (326, 219422), (652, 109711), (1141, 62692), (2239, 31948), (2282, 31346), (4478, 15974), (4564, 15673), (7987, 8956)]