618488975

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{853}}^1$

素因数の和:996

約数の個数: 48

約数和(自身を含む): 871735872

約数和(自身を除く): 253246897

約数列:

[1, 5, 13, 23, 25, 65, 97, 115, 299, 325, 485, 575, 853, 1261, 1495, 2231, 2425, 4265, 6305, 7475, 11089, 11155, 19619, 21325, 29003, 31525, 55445, 55775, 82741, 98095, 145015, 255047, 277225, 413705, 490475, 725075, 1075633, 1275235, 1903043, 2068525, 5378165, 6376175, 9515215, 24739559, 26890825, 47576075, 123697795, 618488975]

約数ペア:

[(1, 618488975), (5, 123697795), (13, 47576075), (23, 26890825), (25, 24739559), (65, 9515215), (97, 6376175), (115, 5378165), (299, 2068525), (325, 1903043), (485, 1275235), (575, 1075633), (853, 725075), (1261, 490475), (1495, 413705), (2231, 277225), (2425, 255047), (4265, 145015), (6305, 98095), (7475, 82741), (11089, 55775), (11155, 55445), (19619, 31525), (21325, 29003)]