72243388

素因数分解:

$2^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{137}}^1\times {\mathrm{509}}^1$

素因数の和:694

約数の個数: 48

約数和(自身を含む): 149768640

約数和(自身を除く): 77525252

約数列:

[1, 2, 4, 7, 14, 28, 37, 74, 137, 148, 259, 274, 509, 518, 548, 959, 1018, 1036, 1918, 2036, 3563, 3836, 5069, 7126, 10138, 14252, 18833, 20276, 35483, 37666, 69733, 70966, 75332, 131831, 139466, 141932, 263662, 278932, 488131, 527324, 976262, 1952524, 2580121, 5160242, 10320484, 18060847, 36121694, 72243388]

約数ペア:

[(1, 72243388), (2, 36121694), (4, 18060847), (7, 10320484), (14, 5160242), (28, 2580121), (37, 1952524), (74, 976262), (137, 527324), (148, 488131), (259, 278932), (274, 263662), (509, 141932), (518, 139466), (548, 131831), (959, 75332), (1018, 70966), (1036, 69733), (1918, 37666), (2036, 35483), (3563, 20276), (3836, 18833), (5069, 14252), (7126, 10138)]