398169002

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{21727}}^1$

素因数の和:21771

約数の個数: 48

約数和(自身を含む): 802545408

約数和(自身を除く): 404376406

約数列:

[1, 2, 7, 11, 14, 17, 22, 34, 49, 77, 98, 119, 154, 187, 238, 374, 539, 833, 1078, 1309, 1666, 2618, 9163, 18326, 21727, 43454, 152089, 238997, 304178, 369359, 477994, 738718, 1064623, 1672979, 2129246, 2585513, 3345958, 4062949, 5171026, 8125898, 11710853, 18098591, 23421706, 28440643, 36197182, 56881286, 199084501, 398169002]

約数ペア:

[(1, 398169002), (2, 199084501), (7, 56881286), (11, 36197182), (14, 28440643), (17, 23421706), (22, 18098591), (34, 11710853), (49, 8125898), (77, 5171026), (98, 4062949), (119, 3345958), (154, 2585513), (187, 2129246), (238, 1672979), (374, 1064623), (539, 738718), (833, 477994), (1078, 369359), (1309, 304178), (1666, 238997), (2618, 152089), (9163, 43454), (18326, 21727)]