991168542

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{401}}^1\times {\mathrm{503}}^1$

素因数の和:935

約数の個数: 128

約数和(自身を含む): 2723051520

約数和(自身を除く): 1731882978

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 27, 39, 42, 54, 63, 78, 91, 117, 126, 182, 189, 234, 273, 351, 378, 401, 503, 546, 702, 802, 819, 1006, 1203, 1509, 1638, 2406, 2457, 2807, 3018, 3521, 3609, 4527, 4914, 5213, 5614, 6539, 7042, 7218, 8421, 9054, 10426, 10563, 10827, 13078, 13581, 15639, 16842, 19617, 21126, 21654, 25263, 27162, 31278, 31689, 36491, 39234, 45773, 46917, 50526, 58851, 63378, 72982, 75789, 91546, 93834, 95067, 109473, 117702, 137319, 140751, 151578, 176553, 190134, 201703, 218946, 274638, 281502, 328419, 353106, 403406, 411957, 605109, 656838, 823914, 985257, 1210218, 1235871, 1411921, 1815327, 1970514, 2471742, 2622139, 2823842, 3630654, 4235763, 5244278, 5445981, 7866417, 8471526, 10891962, 12707289, 15732834, 18354973, 23599251, 25414578, 36709946, 38121867, 47198502, 55064919, 70797753, 76243734, 110129838, 141595506, 165194757, 330389514, 495584271, 991168542]

約数ペア:

[(1, 991168542), (2, 495584271), (3, 330389514), (6, 165194757), (7, 141595506), (9, 110129838), (13, 76243734), (14, 70797753), (18, 55064919), (21, 47198502), (26, 38121867), (27, 36709946), (39, 25414578), (42, 23599251), (54, 18354973), (63, 15732834), (78, 12707289), (91, 10891962), (117, 8471526), (126, 7866417), (182, 5445981), (189, 5244278), (234, 4235763), (273, 3630654), (351, 2823842), (378, 2622139), (401, 2471742), (503, 1970514), (546, 1815327), (702, 1411921), (802, 1235871), (819, 1210218), (1006, 985257), (1203, 823914), (1509, 656838), (1638, 605109), (2406, 411957), (2457, 403406), (2807, 353106), (3018, 328419), (3521, 281502), (3609, 274638), (4527, 218946), (4914, 201703), (5213, 190134), (5614, 176553), (6539, 151578), (7042, 140751), (7218, 137319), (8421, 117702), (9054, 109473), (10426, 95067), (10563, 93834), (10827, 91546), (13078, 75789), (13581, 72982), (15639, 63378), (16842, 58851), (19617, 50526), (21126, 46917), (21654, 45773), (25263, 39234), (27162, 36491), (31278, 31689)]