278340384015

素因数分解:

$3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{97}}^1\times {\mathrm{33721}}^1$

素因数の和:33921

約数の個数: 96

約数和(自身を含む): 511417600512

約数和(自身を除く): 233077216497

約数列:

[1, 3, 5, 9, 15, 31, 45, 61, 93, 97, 155, 183, 279, 291, 305, 465, 485, 549, 873, 915, 1395, 1455, 1891, 2745, 3007, 4365, 5673, 5917, 9021, 9455, 15035, 17019, 17751, 27063, 28365, 29585, 33721, 45105, 53253, 85095, 88755, 101163, 135315, 168605, 183427, 266265, 303489, 505815, 550281, 917135, 1045351, 1517445, 1650843, 2056981, 2751405, 3136053, 3270937, 5226755, 6170943, 8254215, 9408159, 9812811, 10284905, 15680265, 16354685, 18512829, 29438433, 30854715, 47040795, 49064055, 63766411, 92564145, 101399047, 147192165, 191299233, 199527157, 304197141, 318832055, 506995235, 573897699, 598581471, 912591423, 956496165, 997635785, 1520985705, 1795744413, 2869488495, 2992907355, 4562957115, 6185341867, 8978722065, 18556025601, 30926709335, 55668076803, 92780128005, 278340384015]

約数ペア:

[(1, 278340384015), (3, 92780128005), (5, 55668076803), (9, 30926709335), (15, 18556025601), (31, 8978722065), (45, 6185341867), (61, 4562957115), (93, 2992907355), (97, 2869488495), (155, 1795744413), (183, 1520985705), (279, 997635785), (291, 956496165), (305, 912591423), (465, 598581471), (485, 573897699), (549, 506995235), (873, 318832055), (915, 304197141), (1395, 199527157), (1455, 191299233), (1891, 147192165), (2745, 101399047), (3007, 92564145), (4365, 63766411), (5673, 49064055), (5917, 47040795), (9021, 30854715), (9455, 29438433), (15035, 18512829), (17019, 16354685), (17751, 15680265), (27063, 10284905), (28365, 9812811), (29585, 9408159), (33721, 8254215), (45105, 6170943), (53253, 5226755), (85095, 3270937), (88755, 3136053), (101163, 2751405), (135315, 2056981), (168605, 1650843), (183427, 1517445), (266265, 1045351), (303489, 917135), (505815, 550281)]