208949572

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{151}}^1$

素因数の和:293

約数の個数: 72

約数和(自身を含む): 420577920

約数和(自身を除く): 211628348

約数列:

[1, 2, 4, 13, 23, 26, 46, 52, 89, 92, 151, 169, 178, 299, 302, 338, 356, 598, 604, 676, 1157, 1196, 1963, 2047, 2314, 3473, 3887, 3926, 4094, 4628, 6946, 7774, 7852, 8188, 13439, 13892, 15041, 15548, 25519, 26611, 26878, 30082, 45149, 51038, 53222, 53756, 60164, 90298, 102076, 106444, 174707, 180596, 309097, 345943, 349414, 586937, 618194, 691886, 698828, 1173874, 1236388, 1383772, 2271191, 2347748, 4018261, 4542382, 8036522, 9084764, 16073044, 52237393, 104474786, 208949572]

約数ペア:

[(1, 208949572), (2, 104474786), (4, 52237393), (13, 16073044), (23, 9084764), (26, 8036522), (46, 4542382), (52, 4018261), (89, 2347748), (92, 2271191), (151, 1383772), (169, 1236388), (178, 1173874), (299, 698828), (302, 691886), (338, 618194), (356, 586937), (598, 349414), (604, 345943), (676, 309097), (1157, 180596), (1196, 174707), (1963, 106444), (2047, 102076), (2314, 90298), (3473, 60164), (3887, 53756), (3926, 53222), (4094, 51038), (4628, 45149), (6946, 30082), (7774, 26878), (7852, 26611), (8188, 25519), (13439, 15548), (13892, 15041)]