201991374

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1$

素因数の和:227

約数の個数: 128

約数和(自身を含む): 506217600

約数和(自身を除く): 304226226

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 53, 54, 61, 78, 89, 106, 117, 122, 159, 178, 183, 234, 267, 318, 351, 366, 477, 534, 549, 689, 702, 793, 801, 954, 1098, 1157, 1378, 1431, 1586, 1602, 1647, 2067, 2314, 2379, 2403, 2862, 3233, 3294, 3471, 4134, 4717, 4758, 4806, 5429, 6201, 6466, 6942, 7137, 9434, 9699, 10413, 10858, 12402, 14151, 14274, 16287, 18603, 19398, 20826, 21411, 28302, 29097, 31239, 32574, 37206, 42029, 42453, 42822, 48861, 58194, 61321, 62478, 70577, 84058, 84906, 87291, 97722, 122642, 126087, 127359, 141154, 146583, 174582, 183963, 211731, 252174, 254718, 287737, 293166, 367926, 378261, 423462, 551889, 575474, 635193, 756522, 863211, 1103778, 1134783, 1270386, 1655667, 1726422, 1905579, 2269566, 2589633, 3311334, 3740581, 3811158, 5179266, 7481162, 7768899, 11221743, 15537798, 22443486, 33665229, 67330458, 100995687, 201991374]

約数ペア:

[(1, 201991374), (2, 100995687), (3, 67330458), (6, 33665229), (9, 22443486), (13, 15537798), (18, 11221743), (26, 7768899), (27, 7481162), (39, 5179266), (53, 3811158), (54, 3740581), (61, 3311334), (78, 2589633), (89, 2269566), (106, 1905579), (117, 1726422), (122, 1655667), (159, 1270386), (178, 1134783), (183, 1103778), (234, 863211), (267, 756522), (318, 635193), (351, 575474), (366, 551889), (477, 423462), (534, 378261), (549, 367926), (689, 293166), (702, 287737), (793, 254718), (801, 252174), (954, 211731), (1098, 183963), (1157, 174582), (1378, 146583), (1431, 141154), (1586, 127359), (1602, 126087), (1647, 122642), (2067, 97722), (2314, 87291), (2379, 84906), (2403, 84058), (2862, 70577), (3233, 62478), (3294, 61321), (3471, 58194), (4134, 48861), (4717, 42822), (4758, 42453), (4806, 42029), (5429, 37206), (6201, 32574), (6466, 31239), (6942, 29097), (7137, 28302), (9434, 21411), (9699, 20826), (10413, 19398), (10858, 18603), (12402, 16287), (14151, 14274)]