398640996

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{851797}}^1$

素因数の和:851820

約数の個数: 36

約数和(自身を含む): 1085190652

約数和(自身を除く): 686549656

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 468, 851797, 1703594, 2555391, 3407188, 5110782, 7666173, 10221564, 11073361, 15332346, 22146722, 30664692, 33220083, 44293444, 66440166, 99660249, 132880332, 199320498, 398640996]

約数ペア:

[(1, 398640996), (2, 199320498), (3, 132880332), (4, 99660249), (6, 66440166), (9, 44293444), (12, 33220083), (13, 30664692), (18, 22146722), (26, 15332346), (36, 11073361), (39, 10221564), (52, 7666173), (78, 5110782), (117, 3407188), (156, 2555391), (234, 1703594), (468, 851797)]