31945732

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{157}}^1$

素因数の和:237

約数の個数: 72

約数和(自身を含む): 71244096

約数和(自身を除く): 39298364

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 43, 52, 86, 91, 157, 169, 172, 182, 301, 314, 338, 364, 559, 602, 628, 676, 1099, 1118, 1183, 1204, 2041, 2198, 2236, 2366, 3913, 4082, 4396, 4732, 6751, 7267, 7826, 8164, 13502, 14287, 14534, 15652, 26533, 27004, 28574, 29068, 47257, 50869, 53066, 57148, 87763, 94514, 101738, 106132, 175526, 185731, 189028, 203476, 351052, 371462, 614341, 742924, 1140919, 1228682, 2281838, 2457364, 4563676, 7986433, 15972866, 31945732]

約数ペア:

[(1, 31945732), (2, 15972866), (4, 7986433), (7, 4563676), (13, 2457364), (14, 2281838), (26, 1228682), (28, 1140919), (43, 742924), (52, 614341), (86, 371462), (91, 351052), (157, 203476), (169, 189028), (172, 185731), (182, 175526), (301, 106132), (314, 101738), (338, 94514), (364, 87763), (559, 57148), (602, 53066), (628, 50869), (676, 47257), (1099, 29068), (1118, 28574), (1183, 27004), (1204, 26533), (2041, 15652), (2198, 14534), (2236, 14287), (2366, 13502), (3913, 8164), (4082, 7826), (4396, 7267), (4732, 6751)]