78856778

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{331}}^1$

素因数の和:388

約数の個数: 96

約数和(自身を含む): 171678528

約数和(自身を除く): 92821750

約数列:

[1, 2, 7, 11, 13, 14, 17, 22, 26, 34, 49, 77, 91, 98, 119, 143, 154, 182, 187, 221, 238, 286, 331, 374, 442, 539, 637, 662, 833, 1001, 1078, 1274, 1309, 1547, 1666, 2002, 2317, 2431, 2618, 3094, 3641, 4303, 4634, 4862, 5627, 7007, 7282, 8606, 9163, 10829, 11254, 14014, 16219, 17017, 18326, 21658, 25487, 30121, 32438, 34034, 39389, 47333, 50974, 60242, 61897, 73151, 78778, 94666, 119119, 123794, 146302, 178409, 210847, 238238, 275723, 331331, 356818, 421694, 433279, 512057, 551446, 662662, 804661, 866558, 1024114, 1609322, 2319317, 3032953, 3584399, 4638634, 5632627, 6065906, 7168798, 11265254, 39428389, 78856778]

約数ペア:

[(1, 78856778), (2, 39428389), (7, 11265254), (11, 7168798), (13, 6065906), (14, 5632627), (17, 4638634), (22, 3584399), (26, 3032953), (34, 2319317), (49, 1609322), (77, 1024114), (91, 866558), (98, 804661), (119, 662662), (143, 551446), (154, 512057), (182, 433279), (187, 421694), (221, 356818), (238, 331331), (286, 275723), (331, 238238), (374, 210847), (442, 178409), (539, 146302), (637, 123794), (662, 119119), (833, 94666), (1001, 78778), (1078, 73151), (1274, 61897), (1309, 60242), (1547, 50974), (1666, 47333), (2002, 39389), (2317, 34034), (2431, 32438), (2618, 30121), (3094, 25487), (3641, 21658), (4303, 18326), (4634, 17017), (4862, 16219), (5627, 14014), (7007, 11254), (7282, 10829), (8606, 9163)]