257258196

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{3037}}^1$

素因数の和:3241

約数の個数: 72

約数和(自身を含む): 704414984

約数和(自身を除く): 447156788

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 181, 234, 362, 468, 543, 724, 1086, 1629, 2172, 2353, 3037, 3258, 4706, 6074, 6516, 7059, 9111, 9412, 12148, 14118, 18222, 21177, 27333, 28236, 36444, 39481, 42354, 54666, 78962, 84708, 109332, 118443, 157924, 236886, 355329, 473772, 549697, 710658, 1099394, 1421316, 1649091, 2198788, 3298182, 4947273, 6596364, 7146061, 9894546, 14292122, 19789092, 21438183, 28584244, 42876366, 64314549, 85752732, 128629098, 257258196]

約数ペア:

[(1, 257258196), (2, 128629098), (3, 85752732), (4, 64314549), (6, 42876366), (9, 28584244), (12, 21438183), (13, 19789092), (18, 14292122), (26, 9894546), (36, 7146061), (39, 6596364), (52, 4947273), (78, 3298182), (117, 2198788), (156, 1649091), (181, 1421316), (234, 1099394), (362, 710658), (468, 549697), (543, 473772), (724, 355329), (1086, 236886), (1629, 157924), (2172, 118443), (2353, 109332), (3037, 84708), (3258, 78962), (4706, 54666), (6074, 42354), (6516, 39481), (7059, 36444), (9111, 28236), (9412, 27333), (12148, 21177), (14118, 18222)]