221515476

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{28979}}^1$

素因数の和:29013

約数の個数: 72

約数和(自身を含む): 647529120

約数和(自身を除く): 426013644

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 39, 42, 49, 52, 78, 84, 91, 98, 147, 156, 182, 196, 273, 294, 364, 546, 588, 637, 1092, 1274, 1911, 2548, 3822, 7644, 28979, 57958, 86937, 115916, 173874, 202853, 347748, 376727, 405706, 608559, 753454, 811412, 1130181, 1217118, 1419971, 1506908, 2260362, 2434236, 2637089, 2839942, 4259913, 4520724, 5274178, 5679884, 7911267, 8519826, 10548356, 15822534, 17039652, 18459623, 31645068, 36919246, 55378869, 73838492, 110757738, 221515476]

約数ペア:

[(1, 221515476), (2, 110757738), (3, 73838492), (4, 55378869), (6, 36919246), (7, 31645068), (12, 18459623), (13, 17039652), (14, 15822534), (21, 10548356), (26, 8519826), (28, 7911267), (39, 5679884), (42, 5274178), (49, 4520724), (52, 4259913), (78, 2839942), (84, 2637089), (91, 2434236), (98, 2260362), (147, 1506908), (156, 1419971), (182, 1217118), (196, 1130181), (273, 811412), (294, 753454), (364, 608559), (546, 405706), (588, 376727), (637, 347748), (1092, 202853), (1274, 173874), (1911, 115916), (2548, 86937), (3822, 57958), (7644, 28979)]