1284648428

素因数分解:

$2^2\times 7^1\times {\mathrm{89}}^1\times {\mathrm{191}}^1\times {\mathrm{2699}}^1$

素因数の和:2990

約数の個数: 48

約数和(自身を含む): 2612736000

約数和(自身を除く): 1328087572

約数列:

[1, 2, 4, 7, 14, 28, 89, 178, 191, 356, 382, 623, 764, 1246, 1337, 2492, 2674, 2699, 5348, 5398, 10796, 16999, 18893, 33998, 37786, 67996, 75572, 118993, 237986, 240211, 475972, 480422, 515509, 960844, 1031018, 1681477, 2062036, 3362954, 3608563, 6725908, 7217126, 14434252, 45880301, 91760602, 183521204, 321162107, 642324214, 1284648428]

約数ペア:

[(1, 1284648428), (2, 642324214), (4, 321162107), (7, 183521204), (14, 91760602), (28, 45880301), (89, 14434252), (178, 7217126), (191, 6725908), (356, 3608563), (382, 3362954), (623, 2062036), (764, 1681477), (1246, 1031018), (1337, 960844), (2492, 515509), (2674, 480422), (2699, 475972), (5348, 240211), (5398, 237986), (10796, 118993), (16999, 75572), (18893, 67996), (33998, 37786)]