331336990

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{131}}^1\times {\mathrm{199}}^1$

素因数の和:409

約数の個数: 64

約数和(自身を含む): 638668800

約数和(自身を除く): 307331810

約数列:

[1, 2, 5, 10, 31, 41, 62, 82, 131, 155, 199, 205, 262, 310, 398, 410, 655, 995, 1271, 1310, 1990, 2542, 4061, 5371, 6169, 6355, 8122, 8159, 10742, 12338, 12710, 16318, 20305, 26069, 26855, 30845, 40610, 40795, 52138, 53710, 61690, 81590, 130345, 166501, 252929, 260690, 333002, 505858, 808139, 832505, 1068829, 1264645, 1616278, 1665010, 2137658, 2529290, 4040695, 5344145, 8081390, 10688290, 33133699, 66267398, 165668495, 331336990]

約数ペア:

[(1, 331336990), (2, 165668495), (5, 66267398), (10, 33133699), (31, 10688290), (41, 8081390), (62, 5344145), (82, 4040695), (131, 2529290), (155, 2137658), (199, 1665010), (205, 1616278), (262, 1264645), (310, 1068829), (398, 832505), (410, 808139), (655, 505858), (995, 333002), (1271, 260690), (1310, 252929), (1990, 166501), (2542, 130345), (4061, 81590), (5371, 61690), (6169, 53710), (6355, 52138), (8122, 40795), (8159, 40610), (10742, 30845), (12338, 26855), (12710, 26069), (16318, 20305)]