1978223688

素因数分解:

$2^3\times 3^3\times 7^3\times {\mathrm{26701}}^1$

素因数の和:26737

約数の個数: 128

約数和(自身を含む): 6408480000

約数和(自身を除く): 4430256312

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 27, 28, 36, 42, 49, 54, 56, 63, 72, 84, 98, 108, 126, 147, 168, 189, 196, 216, 252, 294, 343, 378, 392, 441, 504, 588, 686, 756, 882, 1029, 1176, 1323, 1372, 1512, 1764, 2058, 2646, 2744, 3087, 3528, 4116, 5292, 6174, 8232, 9261, 10584, 12348, 18522, 24696, 26701, 37044, 53402, 74088, 80103, 106804, 160206, 186907, 213608, 240309, 320412, 373814, 480618, 560721, 640824, 720927, 747628, 961236, 1121442, 1308349, 1441854, 1495256, 1682163, 1922472, 2242884, 2616698, 2883708, 3364326, 3925047, 4485768, 5046489, 5233396, 5767416, 6728652, 7850094, 9158443, 10092978, 10466792, 11775141, 13457304, 15700188, 18316886, 20185956, 23550282, 27475329, 31400376, 35325423, 36633772, 40371912, 47100564, 54950658, 70650846, 73267544, 82425987, 94201128, 109901316, 141301692, 164851974, 219802632, 247277961, 282603384, 329703948, 494555922, 659407896, 989111844, 1978223688]

約数ペア:

[(1, 1978223688), (2, 989111844), (3, 659407896), (4, 494555922), (6, 329703948), (7, 282603384), (8, 247277961), (9, 219802632), (12, 164851974), (14, 141301692), (18, 109901316), (21, 94201128), (24, 82425987), (27, 73267544), (28, 70650846), (36, 54950658), (42, 47100564), (49, 40371912), (54, 36633772), (56, 35325423), (63, 31400376), (72, 27475329), (84, 23550282), (98, 20185956), (108, 18316886), (126, 15700188), (147, 13457304), (168, 11775141), (189, 10466792), (196, 10092978), (216, 9158443), (252, 7850094), (294, 6728652), (343, 5767416), (378, 5233396), (392, 5046489), (441, 4485768), (504, 3925047), (588, 3364326), (686, 2883708), (756, 2616698), (882, 2242884), (1029, 1922472), (1176, 1682163), (1323, 1495256), (1372, 1441854), (1512, 1308349), (1764, 1121442), (2058, 961236), (2646, 747628), (2744, 720927), (3087, 640824), (3528, 560721), (4116, 480618), (5292, 373814), (6174, 320412), (8232, 240309), (9261, 213608), (10584, 186907), (12348, 160206), (18522, 106804), (24696, 80103), (26701, 74088), (37044, 53402)]