218936796

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^2\times {\mathrm{89}}^1\times {\mathrm{1213}}^1$

素因数の和:1335

約数の個数: 72

約数和(自身を含む): 559848240

約数和(自身を除く): 340911444

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 89, 156, 169, 178, 267, 338, 356, 507, 534, 676, 1014, 1068, 1157, 1213, 2028, 2314, 2426, 3471, 3639, 4628, 4852, 6942, 7278, 13884, 14556, 15041, 15769, 30082, 31538, 45123, 47307, 60164, 63076, 90246, 94614, 107957, 180492, 189228, 204997, 215914, 323871, 409994, 431828, 614991, 647742, 819988, 1229982, 1295484, 1403441, 2459964, 2806882, 4210323, 5613764, 8420646, 16841292, 18244733, 36489466, 54734199, 72978932, 109468398, 218936796]

約数ペア:

[(1, 218936796), (2, 109468398), (3, 72978932), (4, 54734199), (6, 36489466), (12, 18244733), (13, 16841292), (26, 8420646), (39, 5613764), (52, 4210323), (78, 2806882), (89, 2459964), (156, 1403441), (169, 1295484), (178, 1229982), (267, 819988), (338, 647742), (356, 614991), (507, 431828), (534, 409994), (676, 323871), (1014, 215914), (1068, 204997), (1157, 189228), (1213, 180492), (2028, 107957), (2314, 94614), (2426, 90246), (3471, 63076), (3639, 60164), (4628, 47307), (4852, 45123), (6942, 31538), (7278, 30082), (13884, 15769), (14556, 15041)]