217138572

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{139}}^1\times {\mathrm{6199}}^1$

素因数の和:6355

約数の個数: 72

約数和(自身を含む): 631904000

約数和(自身を除く): 414765428

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 139, 252, 278, 417, 556, 834, 973, 1251, 1668, 1946, 2502, 2919, 3892, 5004, 5838, 6199, 8757, 11676, 12398, 17514, 18597, 24796, 35028, 37194, 43393, 55791, 74388, 86786, 111582, 130179, 173572, 223164, 260358, 390537, 520716, 781074, 861661, 1562148, 1723322, 2584983, 3446644, 5169966, 6031627, 7754949, 10339932, 12063254, 15509898, 18094881, 24126508, 31019796, 36189762, 54284643, 72379524, 108569286, 217138572]

約数ペア:

[(1, 217138572), (2, 108569286), (3, 72379524), (4, 54284643), (6, 36189762), (7, 31019796), (9, 24126508), (12, 18094881), (14, 15509898), (18, 12063254), (21, 10339932), (28, 7754949), (36, 6031627), (42, 5169966), (63, 3446644), (84, 2584983), (126, 1723322), (139, 1562148), (252, 861661), (278, 781074), (417, 520716), (556, 390537), (834, 260358), (973, 223164), (1251, 173572), (1668, 130179), (1946, 111582), (2502, 86786), (2919, 74388), (3892, 55791), (5004, 43393), (5838, 37194), (6199, 35028), (8757, 24796), (11676, 18597), (12398, 17514)]