15691494

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{991}}^1$

素因数の和:1045

約数の個数: 64

約数和(自身を含む): 39997440

約数和(自身を除く): 24305946

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 29, 39, 42, 58, 78, 87, 91, 174, 182, 203, 273, 377, 406, 546, 609, 754, 991, 1131, 1218, 1982, 2262, 2639, 2973, 5278, 5946, 6937, 7917, 12883, 13874, 15834, 20811, 25766, 28739, 38649, 41622, 57478, 77298, 86217, 90181, 172434, 180362, 201173, 270543, 373607, 402346, 541086, 603519, 747214, 1120821, 1207038, 2241642, 2615249, 5230498, 7845747, 15691494]

約数ペア:

[(1, 15691494), (2, 7845747), (3, 5230498), (6, 2615249), (7, 2241642), (13, 1207038), (14, 1120821), (21, 747214), (26, 603519), (29, 541086), (39, 402346), (42, 373607), (58, 270543), (78, 201173), (87, 180362), (91, 172434), (174, 90181), (182, 86217), (203, 77298), (273, 57478), (377, 41622), (406, 38649), (546, 28739), (609, 25766), (754, 20811), (991, 15834), (1131, 13874), (1218, 12883), (1982, 7917), (2262, 6937), (2639, 5946), (2973, 5278)]