28672956

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{311}}^1$

素因数の和:531

約数の個数: 72

約数和(自身を含む): 78702624

約数和(自身を除く): 50029668

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 197, 234, 311, 394, 468, 591, 622, 788, 933, 1182, 1244, 1773, 1866, 2364, 2561, 2799, 3546, 3732, 4043, 5122, 5598, 7092, 7683, 8086, 10244, 11196, 12129, 15366, 16172, 23049, 24258, 30732, 36387, 46098, 48516, 61267, 72774, 92196, 122534, 145548, 183801, 245068, 367602, 551403, 735204, 796471, 1102806, 1592942, 2205612, 2389413, 3185884, 4778826, 7168239, 9557652, 14336478, 28672956]

約数ペア:

[(1, 28672956), (2, 14336478), (3, 9557652), (4, 7168239), (6, 4778826), (9, 3185884), (12, 2389413), (13, 2205612), (18, 1592942), (26, 1102806), (36, 796471), (39, 735204), (52, 551403), (78, 367602), (117, 245068), (156, 183801), (197, 145548), (234, 122534), (311, 92196), (394, 72774), (468, 61267), (591, 48516), (622, 46098), (788, 36387), (933, 30732), (1182, 24258), (1244, 23049), (1773, 16172), (1866, 15366), (2364, 12129), (2561, 11196), (2799, 10244), (3546, 8086), (3732, 7683), (4043, 7092), (5122, 5598)]