15651678

素因数分解:

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

素因数の和:541

約数の個数: 48

約数和(自身を含む): 36771840

約数和(自身を除く): 21120162

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 139, 147, 278, 294, 383, 417, 766, 834, 973, 1149, 1946, 2298, 2681, 2919, 5362, 5838, 6811, 8043, 13622, 16086, 18767, 20433, 37534, 40866, 53237, 56301, 106474, 112602, 159711, 319422, 372659, 745318, 1117977, 2235954, 2608613, 5217226, 7825839, 15651678]

約数ペア:

[(1, 15651678), (2, 7825839), (3, 5217226), (6, 2608613), (7, 2235954), (14, 1117977), (21, 745318), (42, 372659), (49, 319422), (98, 159711), (139, 112602), (147, 106474), (278, 56301), (294, 53237), (383, 40866), (417, 37534), (766, 20433), (834, 18767), (973, 16086), (1149, 13622), (1946, 8043), (2298, 6811), (2681, 5838), (2919, 5362)]