421497272

素因数分解:

$2^3\times 7^1\times {\mathrm{157}}^1\times {\mathrm{191}}^1\times {\mathrm{251}}^1$

素因数の和:612

約数の個数: 64

約数和(自身を含む): 917360640

約数和(自身を除く): 495863368

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 157, 191, 251, 314, 382, 502, 628, 764, 1004, 1099, 1256, 1337, 1528, 1757, 2008, 2198, 2674, 3514, 4396, 5348, 7028, 8792, 10696, 14056, 29987, 39407, 47941, 59974, 78814, 95882, 119948, 157628, 191764, 209909, 239896, 275849, 315256, 335587, 383528, 419818, 551698, 671174, 839636, 1103396, 1342348, 1679272, 2206792, 2684696, 7526737, 15053474, 30106948, 52687159, 60213896, 105374318, 210748636, 421497272]

約数ペア:

[(1, 421497272), (2, 210748636), (4, 105374318), (7, 60213896), (8, 52687159), (14, 30106948), (28, 15053474), (56, 7526737), (157, 2684696), (191, 2206792), (251, 1679272), (314, 1342348), (382, 1103396), (502, 839636), (628, 671174), (764, 551698), (1004, 419818), (1099, 383528), (1256, 335587), (1337, 315256), (1528, 275849), (1757, 239896), (2008, 209909), (2198, 191764), (2674, 157628), (3514, 119948), (4396, 95882), (5348, 78814), (7028, 59974), (8792, 47941), (10696, 39407), (14056, 29987)]