398889452

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{151}}^1\times {\mathrm{1373}}^1$

素因数の和:1578

約数の個数: 48

約数和(自身を含む): 777749952

約数和(自身を除く): 378860500

約数列:

[1, 2, 4, 13, 26, 37, 52, 74, 148, 151, 302, 481, 604, 962, 1373, 1924, 1963, 2746, 3926, 5492, 5587, 7852, 11174, 17849, 22348, 35698, 50801, 71396, 72631, 101602, 145262, 203204, 207323, 290524, 414646, 660413, 829292, 1320826, 2641652, 2695199, 5390398, 7670951, 10780796, 15341902, 30683804, 99722363, 199444726, 398889452]

約数ペア:

[(1, 398889452), (2, 199444726), (4, 99722363), (13, 30683804), (26, 15341902), (37, 10780796), (52, 7670951), (74, 5390398), (148, 2695199), (151, 2641652), (302, 1320826), (481, 829292), (604, 660413), (962, 414646), (1373, 290524), (1924, 207323), (1963, 203204), (2746, 145262), (3926, 101602), (5492, 72631), (5587, 71396), (7852, 50801), (11174, 35698), (17849, 22348)]