637289172

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{25693}}^1$

素因数の和:25769

約数の個数: 72

約数和(自身を含む): 1767644424

約数和(自身を除く): 1130355252

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, 8268, 12402, 24804, 25693, 51386, 77079, 102772, 154158, 231237, 308316, 334009, 462474, 668018, 924948, 1002027, 1336036, 1361729, 2004054, 2723458, 3006081, 4008108, 4085187, 5446916, 6012162, 8170374, 12024324, 12255561, 16340748, 17702477, 24511122, 35404954, 49022244, 53107431, 70809908, 106214862, 159322293, 212429724, 318644586, 637289172]

約数ペア:

[(1, 637289172), (2, 318644586), (3, 212429724), (4, 159322293), (6, 106214862), (9, 70809908), (12, 53107431), (13, 49022244), (18, 35404954), (26, 24511122), (36, 17702477), (39, 16340748), (52, 12255561), (53, 12024324), (78, 8170374), (106, 6012162), (117, 5446916), (156, 4085187), (159, 4008108), (212, 3006081), (234, 2723458), (318, 2004054), (468, 1361729), (477, 1336036), (636, 1002027), (689, 924948), (954, 668018), (1378, 462474), (1908, 334009), (2067, 308316), (2756, 231237), (4134, 154158), (6201, 102772), (8268, 77079), (12402, 51386), (24804, 25693)]