76981990

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{167}}^1\times {\mathrm{1487}}^1$

素因数の和:1692

約数の個数: 32

約数和(自身を含む): 143990784

約数和(自身を除く): 67008794

約数列:

[1, 2, 5, 10, 31, 62, 155, 167, 310, 334, 835, 1487, 1670, 2974, 5177, 7435, 10354, 14870, 25885, 46097, 51770, 92194, 230485, 248329, 460970, 496658, 1241645, 2483290, 7698199, 15396398, 38490995, 76981990]

約数ペア:

[(1, 76981990), (2, 38490995), (5, 15396398), (10, 7698199), (31, 2483290), (62, 1241645), (155, 496658), (167, 460970), (310, 248329), (334, 230485), (835, 92194), (1487, 51770), (1670, 46097), (2974, 25885), (5177, 14870), (7435, 10354)]