178745892

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^2\times {\mathrm{53}}^1\times {\mathrm{1663}}^1$

素因数の和:1749

約数の個数: 72

約数和(自身を含む): 460422144

約数和(自身を除く): 281676252

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 53, 78, 106, 156, 159, 169, 212, 318, 338, 507, 636, 676, 689, 1014, 1378, 1663, 2028, 2067, 2756, 3326, 4134, 4989, 6652, 8268, 8957, 9978, 17914, 19956, 21619, 26871, 35828, 43238, 53742, 64857, 86476, 88139, 107484, 129714, 176278, 259428, 264417, 281047, 352556, 528834, 562094, 843141, 1057668, 1124188, 1145807, 1686282, 2291614, 3372564, 3437421, 4583228, 6874842, 13749684, 14895491, 29790982, 44686473, 59581964, 89372946, 178745892]

約数ペア:

[(1, 178745892), (2, 89372946), (3, 59581964), (4, 44686473), (6, 29790982), (12, 14895491), (13, 13749684), (26, 6874842), (39, 4583228), (52, 3437421), (53, 3372564), (78, 2291614), (106, 1686282), (156, 1145807), (159, 1124188), (169, 1057668), (212, 843141), (318, 562094), (338, 528834), (507, 352556), (636, 281047), (676, 264417), (689, 259428), (1014, 176278), (1378, 129714), (1663, 107484), (2028, 88139), (2067, 86476), (2756, 64857), (3326, 53742), (4134, 43238), (4989, 35828), (6652, 26871), (8268, 21619), (8957, 19956), (9978, 17914)]