398996936

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{2719}}^1$

素因数の和:2838

約数の個数: 64

約数和(自身を含む): 863654400

約数和(自身を除く): 464657464

約数列:

[1, 2, 4, 8, 13, 17, 26, 34, 52, 68, 83, 104, 136, 166, 221, 332, 442, 664, 884, 1079, 1411, 1768, 2158, 2719, 2822, 4316, 5438, 5644, 8632, 10876, 11288, 18343, 21752, 35347, 36686, 46223, 70694, 73372, 92446, 141388, 146744, 184892, 225677, 282776, 369784, 451354, 600899, 902708, 1201798, 1805416, 2403596, 2933801, 3836509, 4807192, 5867602, 7673018, 11735204, 15346036, 23470408, 30692072, 49874617, 99749234, 199498468, 398996936]

約数ペア:

[(1, 398996936), (2, 199498468), (4, 99749234), (8, 49874617), (13, 30692072), (17, 23470408), (26, 15346036), (34, 11735204), (52, 7673018), (68, 5867602), (83, 4807192), (104, 3836509), (136, 2933801), (166, 2403596), (221, 1805416), (332, 1201798), (442, 902708), (664, 600899), (884, 451354), (1079, 369784), (1411, 282776), (1768, 225677), (2158, 184892), (2719, 146744), (2822, 141388), (4316, 92446), (5438, 73372), (5644, 70694), (8632, 46223), (10876, 36686), (11288, 35347), (18343, 21752)]