31378816

素因数分解:

$2^7\times 7^2\times {\mathrm{5003}}^1$

素因数の和:5031

約数の個数: 48

約数和(自身を含む): 72733140

約数和(自身を除く): 41354324

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 128, 196, 224, 392, 448, 784, 896, 1568, 3136, 5003, 6272, 10006, 20012, 35021, 40024, 70042, 80048, 140084, 160096, 245147, 280168, 320192, 490294, 560336, 640384, 980588, 1120672, 1961176, 2241344, 3922352, 4482688, 7844704, 15689408, 31378816]

約数ペア:

[(1, 31378816), (2, 15689408), (4, 7844704), (7, 4482688), (8, 3922352), (14, 2241344), (16, 1961176), (28, 1120672), (32, 980588), (49, 640384), (56, 560336), (64, 490294), (98, 320192), (112, 280168), (128, 245147), (196, 160096), (224, 140084), (392, 80048), (448, 70042), (784, 40024), (896, 35021), (1568, 20012), (3136, 10006), (5003, 6272)]