1856804742

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1\times {\mathrm{331}}^1$

素因数の和:547

約数の個数: 128

約数和(自身を含む): 4564707840

約数和(自身を除く): 2707903098

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 61, 78, 117, 122, 131, 183, 234, 262, 331, 351, 366, 393, 549, 662, 702, 786, 793, 993, 1098, 1179, 1586, 1647, 1703, 1986, 2358, 2379, 2979, 3294, 3406, 3537, 4303, 4758, 5109, 5958, 7074, 7137, 7991, 8606, 8937, 10218, 12909, 14274, 15327, 15982, 17874, 20191, 21411, 23973, 25818, 30654, 38727, 40382, 42822, 43361, 45981, 47946, 60573, 71919, 77454, 86722, 91962, 103883, 116181, 121146, 130083, 143838, 181719, 207766, 215757, 232362, 260166, 262483, 311649, 363438, 390249, 431514, 524966, 545157, 563693, 623298, 780498, 787449, 934947, 1090314, 1127386, 1170747, 1574898, 1691079, 1869894, 2341494, 2362347, 2645021, 2804841, 3382158, 4724694, 5073237, 5290042, 5609682, 7087041, 7935063, 10146474, 14174082, 15219711, 15870126, 23805189, 30439422, 34385273, 47610378, 68770546, 71415567, 103155819, 142831134, 206311638, 309467457, 618934914, 928402371, 1856804742]

約数ペア:

[(1, 1856804742), (2, 928402371), (3, 618934914), (6, 309467457), (9, 206311638), (13, 142831134), (18, 103155819), (26, 71415567), (27, 68770546), (39, 47610378), (54, 34385273), (61, 30439422), (78, 23805189), (117, 15870126), (122, 15219711), (131, 14174082), (183, 10146474), (234, 7935063), (262, 7087041), (331, 5609682), (351, 5290042), (366, 5073237), (393, 4724694), (549, 3382158), (662, 2804841), (702, 2645021), (786, 2362347), (793, 2341494), (993, 1869894), (1098, 1691079), (1179, 1574898), (1586, 1170747), (1647, 1127386), (1703, 1090314), (1986, 934947), (2358, 787449), (2379, 780498), (2979, 623298), (3294, 563693), (3406, 545157), (3537, 524966), (4303, 431514), (4758, 390249), (5109, 363438), (5958, 311649), (7074, 262483), (7137, 260166), (7991, 232362), (8606, 215757), (8937, 207766), (10218, 181719), (12909, 143838), (14274, 130083), (15327, 121146), (15982, 116181), (17874, 103883), (20191, 91962), (21411, 86722), (23973, 77454), (25818, 71919), (30654, 60573), (38727, 47946), (40382, 45981), (42822, 43361)]