1991658052

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{683}}^1$

素因数の和:821

約数の個数: 96

約数和(自身を含む): 4060990080

約数和(自身を除く): 2069332028

約数列:

[1, 2, 4, 17, 19, 34, 37, 38, 61, 68, 74, 76, 122, 148, 244, 323, 629, 646, 683, 703, 1037, 1159, 1258, 1292, 1366, 1406, 2074, 2257, 2318, 2516, 2732, 2812, 4148, 4514, 4636, 9028, 11611, 11951, 12977, 19703, 23222, 23902, 25271, 25954, 38369, 39406, 41663, 42883, 46444, 47804, 50542, 51908, 76738, 78812, 83326, 85766, 101084, 153476, 166652, 171532, 220609, 429607, 441218, 480149, 708271, 729011, 791597, 859214, 882436, 960298, 1416542, 1458022, 1541531, 1583194, 1718428, 1920596, 2833084, 2916044, 3083062, 3166388, 6166124, 8162533, 13457149, 16325066, 26206027, 26914298, 29289089, 32650132, 52412054, 53828596, 58578178, 104824108, 117156356, 497914513, 995829026, 1991658052]

約数ペア:

[(1, 1991658052), (2, 995829026), (4, 497914513), (17, 117156356), (19, 104824108), (34, 58578178), (37, 53828596), (38, 52412054), (61, 32650132), (68, 29289089), (74, 26914298), (76, 26206027), (122, 16325066), (148, 13457149), (244, 8162533), (323, 6166124), (629, 3166388), (646, 3083062), (683, 2916044), (703, 2833084), (1037, 1920596), (1159, 1718428), (1258, 1583194), (1292, 1541531), (1366, 1458022), (1406, 1416542), (2074, 960298), (2257, 882436), (2318, 859214), (2516, 791597), (2732, 729011), (2812, 708271), (4148, 480149), (4514, 441218), (4636, 429607), (9028, 220609), (11611, 171532), (11951, 166652), (12977, 153476), (19703, 101084), (23222, 85766), (23902, 83326), (25271, 78812), (25954, 76738), (38369, 51908), (39406, 50542), (41663, 47804), (42883, 46444)]