398789118

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{243461}}^1$

素因数の和:243489

約数の個数: 48

約数和(自身を含む): 1063442016

約数和(自身を除く): 664652898

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 39, 42, 63, 78, 91, 117, 126, 182, 234, 273, 546, 819, 1638, 243461, 486922, 730383, 1460766, 1704227, 2191149, 3164993, 3408454, 4382298, 5112681, 6329986, 9494979, 10225362, 15338043, 18989958, 22154951, 28484937, 30676086, 44309902, 56969874, 66464853, 132929706, 199394559, 398789118]

約数ペア:

[(1, 398789118), (2, 199394559), (3, 132929706), (6, 66464853), (7, 56969874), (9, 44309902), (13, 30676086), (14, 28484937), (18, 22154951), (21, 18989958), (26, 15338043), (39, 10225362), (42, 9494979), (63, 6329986), (78, 5112681), (91, 4382298), (117, 3408454), (126, 3164993), (182, 2191149), (234, 1704227), (273, 1460766), (546, 730383), (819, 486922), (1638, 243461)]