420967838

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{443}}^1\times {\mathrm{1471}}^1$

素因数の和:1952

約数の個数: 32

約数和(自身を含む): 705853440

約数和(自身を除く): 284885602

約数列:

[1, 2, 17, 19, 34, 38, 323, 443, 646, 886, 1471, 2942, 7531, 8417, 15062, 16834, 25007, 27949, 50014, 55898, 143089, 286178, 475133, 651653, 950266, 1303306, 11078101, 12381407, 22156202, 24762814, 210483919, 420967838]

約数ペア:

[(1, 420967838), (2, 210483919), (17, 24762814), (19, 22156202), (34, 12381407), (38, 11078101), (323, 1303306), (443, 950266), (646, 651653), (886, 475133), (1471, 286178), (2942, 143089), (7531, 55898), (8417, 50014), (15062, 27949), (16834, 25007)]