77778558

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1$

素因数の和:151

約数の個数: 144

約数和(自身を含む): 207397008

約数和(自身を除く): 129618450

約数列:

[1, 2, 3, 6, 9, 11, 13, 18, 22, 26, 33, 39, 41, 66, 67, 78, 82, 99, 117, 121, 123, 134, 143, 198, 201, 234, 242, 246, 286, 363, 369, 402, 429, 451, 533, 603, 726, 737, 738, 858, 871, 902, 1066, 1089, 1206, 1287, 1353, 1474, 1573, 1599, 1742, 2178, 2211, 2574, 2613, 2706, 2747, 3146, 3198, 4059, 4422, 4719, 4797, 4961, 5226, 5494, 5863, 6633, 7839, 8107, 8118, 8241, 9438, 9581, 9594, 9922, 11726, 13266, 14157, 14883, 15678, 16214, 16482, 17589, 19162, 24321, 24723, 28314, 28743, 29766, 30217, 35178, 35711, 44649, 48642, 49446, 52767, 57486, 60434, 64493, 71422, 72963, 86229, 89298, 90651, 105391, 105534, 107133, 128986, 145926, 172458, 181302, 193479, 210782, 214266, 271953, 316173, 321399, 332387, 386958, 392821, 543906, 580437, 632346, 642798, 664774, 785642, 948519, 997161, 1160874, 1178463, 1897038, 1994322, 2356926, 2991483, 3535389, 4321031, 5982966, 7070778, 8642062, 12963093, 25926186, 38889279, 77778558]

約数ペア:

[(1, 77778558), (2, 38889279), (3, 25926186), (6, 12963093), (9, 8642062), (11, 7070778), (13, 5982966), (18, 4321031), (22, 3535389), (26, 2991483), (33, 2356926), (39, 1994322), (41, 1897038), (66, 1178463), (67, 1160874), (78, 997161), (82, 948519), (99, 785642), (117, 664774), (121, 642798), (123, 632346), (134, 580437), (143, 543906), (198, 392821), (201, 386958), (234, 332387), (242, 321399), (246, 316173), (286, 271953), (363, 214266), (369, 210782), (402, 193479), (429, 181302), (451, 172458), (533, 145926), (603, 128986), (726, 107133), (737, 105534), (738, 105391), (858, 90651), (871, 89298), (902, 86229), (1066, 72963), (1089, 71422), (1206, 64493), (1287, 60434), (1353, 57486), (1474, 52767), (1573, 49446), (1599, 48642), (1742, 44649), (2178, 35711), (2211, 35178), (2574, 30217), (2613, 29766), (2706, 28743), (2747, 28314), (3146, 24723), (3198, 24321), (4059, 19162), (4422, 17589), (4719, 16482), (4797, 16214), (4961, 15678), (5226, 14883), (5494, 14157), (5863, 13266), (6633, 11726), (7839, 9922), (8107, 9594), (8118, 9581), (8241, 9438)]