178415172

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{7193}}^1$

素因数の和:7269

約数の個数: 72

約数和(自身を含む): 494918424

約数和(自身を除く): 316503252

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 53, 78, 106, 117, 156, 159, 212, 234, 318, 468, 477, 636, 689, 954, 1378, 1908, 2067, 2756, 4134, 6201, 7193, 8268, 12402, 14386, 21579, 24804, 28772, 43158, 64737, 86316, 93509, 129474, 187018, 258948, 280527, 374036, 381229, 561054, 762458, 841581, 1122108, 1143687, 1524916, 1683162, 2287374, 3366324, 3431061, 4574748, 4955977, 6862122, 9911954, 13724244, 14867931, 19823908, 29735862, 44603793, 59471724, 89207586, 178415172]

約数ペア:

[(1, 178415172), (2, 89207586), (3, 59471724), (4, 44603793), (6, 29735862), (9, 19823908), (12, 14867931), (13, 13724244), (18, 9911954), (26, 6862122), (36, 4955977), (39, 4574748), (52, 3431061), (53, 3366324), (78, 2287374), (106, 1683162), (117, 1524916), (156, 1143687), (159, 1122108), (212, 841581), (234, 762458), (318, 561054), (468, 381229), (477, 374036), (636, 280527), (689, 258948), (954, 187018), (1378, 129474), (1908, 93509), (2067, 86316), (2756, 64737), (4134, 43158), (6201, 28772), (7193, 24804), (8268, 21579), (12402, 14386)]