781635984

素因数分解:

$2^4\times 3^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{27647}}^1$

素因数の和:27708

約数の個数: 80

約数和(自身を含む): 2194145280

約数和(自身を除く): 1412509296

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 31, 38, 48, 57, 62, 76, 93, 114, 124, 152, 186, 228, 248, 304, 372, 456, 496, 589, 744, 912, 1178, 1488, 1767, 2356, 3534, 4712, 7068, 9424, 14136, 27647, 28272, 55294, 82941, 110588, 165882, 221176, 331764, 442352, 525293, 663528, 857057, 1050586, 1327056, 1575879, 1714114, 2101172, 2571171, 3151758, 3428228, 4202344, 5142342, 6303516, 6856456, 8404688, 10284684, 12607032, 13712912, 16284083, 20569368, 25214064, 32568166, 41138736, 48852249, 65136332, 97704498, 130272664, 195408996, 260545328, 390817992, 781635984]

約数ペア:

[(1, 781635984), (2, 390817992), (3, 260545328), (4, 195408996), (6, 130272664), (8, 97704498), (12, 65136332), (16, 48852249), (19, 41138736), (24, 32568166), (31, 25214064), (38, 20569368), (48, 16284083), (57, 13712912), (62, 12607032), (76, 10284684), (93, 8404688), (114, 6856456), (124, 6303516), (152, 5142342), (186, 4202344), (228, 3428228), (248, 3151758), (304, 2571171), (372, 2101172), (456, 1714114), (496, 1575879), (589, 1327056), (744, 1050586), (912, 857057), (1178, 663528), (1488, 525293), (1767, 442352), (2356, 331764), (3534, 221176), (4712, 165882), (7068, 110588), (9424, 82941), (14136, 55294), (27647, 28272)]