428886.0000000

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{397}}^1$

素因数の和:458

約数の個数: 48

約数和(自身を含む): 6552672

約数和(自身を除く): 4013460

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 41, 52, 78, 82, 123, 156, 164, 246, 397, 492, 533, 794, 1066, 1191, 1588, 1599, 2132, 2382, 3198, 4764, 5161, 6396, 10322, 15483, 16277, 20644, 30966, 32554, 48831, 61932, 65108, 97662, 195324, 211601, 423202, 634803, 846404, 1269606, 2539212]

約数ペア:

[(1, 2539212), (2, 1269606), (3, 846404), (4, 634803), (6, 423202), (12, 211601), (13, 195324), (26, 97662), (39, 65108), (41, 61932), (52, 48831), (78, 32554), (82, 30966), (123, 20644), (156, 16277), (164, 15483), (246, 10322), (397, 6396), (492, 5161), (533, 4764), (794, 3198), (1066, 2382), (1191, 2132), (1588, 1599)]