31224492

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{487}}^1$

素因数の和:647

約数の個数: 72

約数和(自身を含む): 85796256

約数和(自身を除く): 54571764

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 137, 156, 234, 274, 411, 468, 487, 548, 822, 974, 1233, 1461, 1644, 1781, 1948, 2466, 2922, 3562, 4383, 4932, 5343, 5844, 6331, 7124, 8766, 10686, 12662, 16029, 17532, 18993, 21372, 25324, 32058, 37986, 56979, 64116, 66719, 75972, 113958, 133438, 200157, 227916, 266876, 400314, 600471, 800628, 867347, 1200942, 1734694, 2401884, 2602041, 3469388, 5204082, 7806123, 10408164, 15612246, 31224492]

約数ペア:

[(1, 31224492), (2, 15612246), (3, 10408164), (4, 7806123), (6, 5204082), (9, 3469388), (12, 2602041), (13, 2401884), (18, 1734694), (26, 1200942), (36, 867347), (39, 800628), (52, 600471), (78, 400314), (117, 266876), (137, 227916), (156, 200157), (234, 133438), (274, 113958), (411, 75972), (468, 66719), (487, 64116), (548, 56979), (822, 37986), (974, 32058), (1233, 25324), (1461, 21372), (1644, 18993), (1781, 17532), (1948, 16029), (2466, 12662), (2922, 10686), (3562, 8766), (4383, 7124), (4932, 6331), (5343, 5844)]