31303356

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{139}}^1\times {\mathrm{383}}^1$

素因数の和:543

約数の個数: 72

約数和(自身を含む): 85800960

約数和(自身を除く): 54497604

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 139, 147, 196, 278, 294, 383, 417, 556, 588, 766, 834, 973, 1149, 1532, 1668, 1946, 2298, 2681, 2919, 3892, 4596, 5362, 5838, 6811, 8043, 10724, 11676, 13622, 16086, 18767, 20433, 27244, 32172, 37534, 40866, 53237, 56301, 75068, 81732, 106474, 112602, 159711, 212948, 225204, 319422, 372659, 638844, 745318, 1117977, 1490636, 2235954, 2608613, 4471908, 5217226, 7825839, 10434452, 15651678, 31303356]

約数ペア:

[(1, 31303356), (2, 15651678), (3, 10434452), (4, 7825839), (6, 5217226), (7, 4471908), (12, 2608613), (14, 2235954), (21, 1490636), (28, 1117977), (42, 745318), (49, 638844), (84, 372659), (98, 319422), (139, 225204), (147, 212948), (196, 159711), (278, 112602), (294, 106474), (383, 81732), (417, 75068), (556, 56301), (588, 53237), (766, 40866), (834, 37534), (973, 32172), (1149, 27244), (1532, 20433), (1668, 18767), (1946, 16086), (2298, 13622), (2681, 11676), (2919, 10724), (3892, 8043), (4596, 6811), (5362, 5838)]