31555430

素因数分解:

$2^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{157}}^1\times {\mathrm{199}}^1$

素因数の和:464

約数の個数: 32

約数和(自身を含む): 58017600

約数和(自身を除く): 26462170

約数列:

[1, 2, 5, 10, 101, 157, 199, 202, 314, 398, 505, 785, 995, 1010, 1570, 1990, 15857, 20099, 31243, 31714, 40198, 62486, 79285, 100495, 156215, 158570, 200990, 312430, 3155543, 6311086, 15777715, 31555430]

約数ペア:

[(1, 31555430), (2, 15777715), (5, 6311086), (10, 3155543), (101, 312430), (157, 200990), (199, 158570), (202, 156215), (314, 100495), (398, 79285), (505, 62486), (785, 40198), (995, 31714), (1010, 31243), (1570, 20099), (1990, 15857)]