219496788

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{109}}^1\times {\mathrm{131}}^1$

素因数の和:318

約数の個数: 144

約数和(自身を含む): 655374720

約数和(自身を除く): 435877932

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 61, 63, 84, 109, 122, 126, 131, 183, 218, 244, 252, 262, 327, 366, 393, 427, 436, 524, 549, 654, 732, 763, 786, 854, 917, 981, 1098, 1179, 1281, 1308, 1526, 1572, 1708, 1834, 1962, 2196, 2289, 2358, 2562, 2751, 3052, 3668, 3843, 3924, 4578, 4716, 5124, 5502, 6649, 6867, 7686, 7991, 8253, 9156, 11004, 13298, 13734, 14279, 15372, 15982, 16506, 19947, 23973, 26596, 27468, 28558, 31964, 33012, 39894, 42837, 46543, 47946, 55937, 57116, 59841, 71919, 79788, 85674, 93086, 95892, 99953, 111874, 119682, 128511, 139629, 143838, 167811, 171348, 186172, 199906, 223748, 239364, 257022, 279258, 287676, 299859, 335622, 399812, 418887, 503433, 514044, 558516, 599718, 671244, 837774, 871019, 899577, 1006866, 1199436, 1675548, 1742038, 1799154, 2013732, 2613057, 3484076, 3598308, 5226114, 6097133, 7839171, 10452228, 12194266, 15678342, 18291399, 24388532, 31356684, 36582798, 54874197, 73165596, 109748394, 219496788]

約数ペア:

[(1, 219496788), (2, 109748394), (3, 73165596), (4, 54874197), (6, 36582798), (7, 31356684), (9, 24388532), (12, 18291399), (14, 15678342), (18, 12194266), (21, 10452228), (28, 7839171), (36, 6097133), (42, 5226114), (61, 3598308), (63, 3484076), (84, 2613057), (109, 2013732), (122, 1799154), (126, 1742038), (131, 1675548), (183, 1199436), (218, 1006866), (244, 899577), (252, 871019), (262, 837774), (327, 671244), (366, 599718), (393, 558516), (427, 514044), (436, 503433), (524, 418887), (549, 399812), (654, 335622), (732, 299859), (763, 287676), (786, 279258), (854, 257022), (917, 239364), (981, 223748), (1098, 199906), (1179, 186172), (1281, 171348), (1308, 167811), (1526, 143838), (1572, 139629), (1708, 128511), (1834, 119682), (1962, 111874), (2196, 99953), (2289, 95892), (2358, 93086), (2562, 85674), (2751, 79788), (3052, 71919), (3668, 59841), (3843, 57116), (3924, 55937), (4578, 47946), (4716, 46543), (5124, 42837), (5502, 39894), (6649, 33012), (6867, 31964), (7686, 28558), (7991, 27468), (8253, 26596), (9156, 23973), (11004, 19947), (13298, 16506), (13734, 15982), (14279, 15372)]