397175038

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{571}}^1\times {\mathrm{863}}^1$

素因数の和:1480

約数の個数: 32

約数和(自身を含む): 664215552

約数和(自身を除く): 267040514

約数列:

[1, 2, 13, 26, 31, 62, 403, 571, 806, 863, 1142, 1726, 7423, 11219, 14846, 17701, 22438, 26753, 35402, 53506, 230113, 347789, 460226, 492773, 695578, 985546, 6406049, 12812098, 15275963, 30551926, 198587519, 397175038]

約数ペア:

[(1, 397175038), (2, 198587519), (13, 30551926), (26, 15275963), (31, 12812098), (62, 6406049), (403, 985546), (571, 695578), (806, 492773), (863, 460226), (1142, 347789), (1726, 230113), (7423, 53506), (11219, 35402), (14846, 26753), (17701, 22438)]